CN113936938B - Isolating switch and circuit breaker linkage operation mechanism for ring main unit - Google Patents
Isolating switch and circuit breaker linkage operation mechanism for ring main unit Download PDFInfo
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- CN113936938B CN113936938B CN202111100688.7A CN202111100688A CN113936938B CN 113936938 B CN113936938 B CN 113936938B CN 202111100688 A CN202111100688 A CN 202111100688A CN 113936938 B CN113936938 B CN 113936938B
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- rod
- isolating switch
- sliding plate
- plate
- circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the technical field of ring main unit accessories, and discloses a linkage operation mechanism of a disconnecting switch and a circuit breaker for a ring main unit. Can drive the push rod through canceling release mechanical system and move to the right, move the back through the right side of push rod, can drive the gag lever post and move up this moment, shift out by the mounting groove until the gag lever post, the convenience carries out the brake separation to below isolator this moment, can the facilitate the use through installation mechanism with the installation piece quick fixation on isolator main shaft, avoided traditional through bolt fastening's loaded down with trivial details nature, also labour saving and time saving more when dismantling moreover, only need to stimulate two sets of linking boards and can accomplish the dismouting.
Description
Technical Field
The invention relates to the technical field of ring main unit accessories, in particular to a linkage operating mechanism of an isolating switch and a circuit breaker for a ring main unit.
Background
The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate metal cabinet body or made into an assembled spacing ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and a circuit breaker and an isolating switch in the ring main unit are both used for separating and combining circuits.
1. The disconnecting switch is difficult to be subjected to disconnecting treatment through a reset structure, and precise control of the disconnecting switch and the circuit breaker is difficult to be ensured;
2. the existing installation blocks are mostly fixed on the isolating switch main shaft through bolts, so that the mode is inconvenient to assemble and disassemble, and the follow-up maintenance of the installation blocks is affected.
Disclosure of Invention
The invention aims to provide a linkage operation mechanism of a disconnecting switch and a circuit breaker for a ring main unit, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention adopts the following technical scheme: the isolating switch and breaker linkage operating mechanism for the ring main unit comprises a first fixed block, wherein the bottom of the first fixed block is fixedly connected with an adjusting rod, both sides of the adjusting rod are longitudinally provided with sliding grooves, a reset mechanism is arranged in the adjusting rod, the bottom of the adjusting rod is movably inserted with a limit rod, one side of the adjusting rod is connected with a push rod, the outside of the push rod is movably sleeved with a second fixed block, one end of the push rod is provided with a breaker main shaft, a push plate is fixedly connected on the breaker main shaft, the reset mechanism comprises a first adjusting ring, a first sliding plate, a first spring, a first bracket, a plastic block, a second spring, a second adjusting ring, a second sliding plate and a second bracket, the outside of the adjusting rod is movably sleeved with the first adjusting ring and the second adjusting ring from top to bottom in sequence, the center of the inside of the adjusting rod is fixedly connected with the plastic block, and the top of the plastic block is connected with the first spring, the bottom of the plastic block is connected with a second spring, the top end of the first spring is connected with a first sliding plate, the bottom of the second spring is connected with a second sliding plate, the outer side wall of the first adjusting ring is movably connected with a first bracket, the outer side wall of the second adjusting ring is movably connected with a second bracket, the bottom of the first bracket is movably connected with a first connecting rod, the top of the second bracket is movably connected with a second connecting rod, the bottom of the limiting rod is movably sleeved with a mounting block, the center of the top of the mounting block is provided with a mounting groove, the bottom of the mounting block is provided with a placing groove, the inside of the mounting block is provided with a clamping groove communicated with the placing groove, the lower part of the mounting block is provided with a mounting mechanism, a baffle rod is fixedly connected on the outer annular surface of the main shaft of the isolating switch, the front surface and the rear surface of the main shaft of the isolating switch are provided with limiting grooves, and the mounting mechanism comprises a clamping block, the connecting plate is movably inserted into the front surface and the rear surface of the supporting seat, the protection plates are fixedly connected to the front side and the rear side of the lower surface of the supporting seat, the sliding plates are fixedly connected to one ends of the two connecting plates, the inserting rods are fixedly connected to the inner walls of the two connecting plates, the metal elastic sheet is connected between the sliding plates and the supporting seat, the fastening rod is fixedly connected to the center of the upper surface of the supporting seat, the clamping blocks are fixedly connected to the center of the top of the fastening rod, and the elastic balls are fixedly connected to the front side and the rear side of the lower surface of the fastening rod.
Preferably, the lengths of the first connecting rod and the second connecting rod are equal, the joint of the first connecting rod and the second connecting rod is hinged, and the first adjusting ring and the second adjusting ring are both in a shape of Chinese character 'Hui'.
Preferably, one end of the first bracket is movably connected to the upper surface of the push rod, one end of the second bracket is movably connected to the lower surface of the push rod, and the first bracket and the second bracket are symmetrically distributed based on the push rod.
Preferably, the first sliding plate and the second sliding plate are both in sliding connection with the inside of the adjusting rod, and two ends of the first sliding plate and the second sliding plate are respectively in sliding connection with the inside of the two sliding grooves.
Preferably, two ends of the first sliding plate are fixedly connected to two sides of the inner wall of the first adjusting ring respectively, two ends of the second sliding plate are fixedly connected to two sides of the inner wall of the second adjusting ring respectively, and the top end of the limiting rod is fixedly connected to the lower surface of the second sliding plate.
Preferably, one end of the plugging rod movably penetrates through the protection plates and is plugged into the limiting groove, and the two protection plates are respectively positioned at the front side and the rear side of the isolating switch main shaft.
Preferably, the sliding plate is slidably connected inside the supporting seat, the two connecting plates are of an L-shaped structure, and the two connecting plates are distributed relatively.
Preferably, the mounting block is located right above the supporting seat, the fastening rod is slidably connected inside the placing groove, and the bottom of the elastic ball abuts against the inner wall of the placing groove.
Preferably, the clamping block is movably inserted into the clamping groove, and the bottom end of the limiting rod is movably inserted into the mounting groove.
Preferably, one end of the metal spring plate is fixedly connected to the sliding plate, the other end of the metal spring plate is fixedly connected to the inner wall of the supporting seat, the metal spring plate is a member made of copper alloy, and the metal spring plate is of an oval structure.
Compared with the prior art, the invention has the beneficial effects that:
1. the reset mechanism can drive the push rod to move right, and after the push rod moves right, the limit rod can be driven to move upwards until the limit rod moves out of the mounting groove, so that the isolating switch below the limit rod is conveniently opened, the reset mechanism adopts a spring symmetrical design, and meanwhile, the reset precision of the limit rod can be greatly improved through the hinge joint of the first connecting rod and the second connecting rod between the first bracket and the second bracket, and the accurate control of the isolating switch and the circuit breaker is ensured;
2. can the person of facilitating the use fix the installation piece fast on the isolator main shaft through installation mechanism, avoided traditional loaded down with trivial details nature through bolt fastening, labour saving and time saving more also when dismantling moreover, only need pull two sets of linking boards and can accomplish the dismouting, moreover through elastic ball, fastening rod and draw-in groove, can also conveniently install installation piece and supporting seat in real time, make things convenient for the follow-up maintenance and the change spare part of both.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the reset mechanism in the present invention.
Fig. 4 is a schematic view showing an internal structure of the adjusting lever in the present invention.
Fig. 5 is a schematic structural view of the mounting mechanism in the present invention.
In the figure: 1. a first fixed block; 2. a breaker spindle; 21. a push plate; 3. an adjusting rod; 31. a chute; 4. a limit rod; 5. a mounting block; 51. a mounting groove; 52. a clamping groove; 53. a placement groove; 6. isolating switch main shaft; 61. a gear lever; 62. a limit groove; 7. a push rod; 71. a second fixed block; 8. a reset mechanism; 81. a first adjusting ring; 811. a first slide plate; 82. a first spring; 83. a first bracket; 831. a first link; 84. a plastic block; 85. a second spring; 86. a second adjusting ring; 861. a second slide plate; 87. a second bracket; 871. a second link; 9. a mounting mechanism; 91. a clamping block; 92. a fastening rod; 93. an elastic ball; 94. a sliding plate; 95. a support base; 96. a splice plate; 97. a metal spring plate; 98. inserting a connecting rod; 99. and (5) protecting the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-4, the invention provides a linkage operation mechanism of a disconnecting switch and a circuit breaker for a ring main unit, which comprises a first fixed block 1, wherein the bottom of the first fixed block 1 is fixedly connected with an adjusting rod 3, both sides of the adjusting rod 3 are longitudinally provided with sliding grooves 31, a reset mechanism 8 is arranged in the adjusting rod 3, the bottom of the adjusting rod 3 is movably inserted with a limit rod 4, one side of the adjusting rod 3 is connected with a push rod 7, the outside of the push rod 7 is movably sleeved with a second fixed block 71, one end of the push rod 7 is provided with a circuit breaker main shaft 2, the push plate 21 is fixedly connected on the circuit breaker main shaft 2, the reset mechanism 8 comprises a first adjusting ring 81, a first sliding plate 811, a first spring 82, a first bracket 83, a plastic block 84, a second spring 85, a second adjusting ring 86, a second sliding plate 861 and a second bracket 87, the outside of the adjusting rod 3 is sequentially and movably sleeved with the first adjusting ring 81 and the second adjusting ring 86 from top to bottom, the plastic block 84 is fixedly connected with the second sliding rod 86, the top of the plastic block 84 is connected with the first sliding rod 8787, the top of the first sliding rod 87 is movably connected with the first sliding rod 87, the top of the first bracket 87 is movably connected with the first sliding rod 87, the top of the first sliding rod 87 is movably connected with the top end of the first sliding rod 87, the top of the first sliding rod is movably connected with the first sliding rod 87, the top end of the first sliding rod is movably connected with the first sliding rod 87, the top 87 is movably connected with the top end of the first sliding rod 87, the top is movably connected with the first sliding rod is connected with the top is movably connected, one end swing joint of second support 87 is the symmetric distribution in the lower surface of push rod 7, first support 83 and second support 87 use push rod 7 as the benchmark, first slide 811 and the equal sliding connection of second slide 861 are in the inside of adjusting the pole 3, and the both ends of first slide 811 and second slide 861 are sliding connection respectively in the inside of two spouts 31, the both ends of first slide 811 rigid coupling respectively in the inner wall both sides department of first adjusting ring 81, the both ends of second slide 861 are rigid coupling respectively in the inner wall both sides department of second adjusting ring 86, the top rigid coupling of gag lever post 4 is at the lower surface of second slide 861, can drive push rod 7 through canceling release mechanical system 8 and right side move, can drive gag lever post 4 through the right side of push rod 7 after moving, until gag lever post 4 is shifted out by mounting groove 51 in this moment, the convenience is on the isolating switch of below, moreover this canceling release mechanical system 8 has adopted the spring symmetric design, simultaneously through first connecting rod 831 and second connecting rod 871 articulates between first support 83 and second support 87, the precision of the isolator that can improve gag lever post 4 and accurate control of circuit breaker has been ensured.
In fig. 1, 2 and 5: the bottom of the limit rod 4 is movably sleeved with a mounting block 5, the center of the top of the mounting block 5 is provided with a mounting groove 51, the bottom of the mounting block 5 is provided with a placing groove 53, the inside of the mounting block 5 is provided with a clamping groove 52 communicated with the placing groove 53, the lower part of the mounting block 5 is provided with a mounting mechanism 9, the outer annular surface of the isolating switch main shaft 6 is fixedly connected with a baffle rod 61, the front surface and the rear surface of the isolating switch main shaft 6 are respectively provided with a limit groove 62, the mounting mechanism 9 comprises a clamping block 91, a fastening rod 92, an elastic ball 93, a sliding plate 94, a supporting seat 95, a connecting plate 96, a metal elastic sheet 97, a plugging rod 98 and a protection plate 99, the front surface and the rear surface of the supporting seat 95 are respectively movably plugged with a connecting plate 96, the front side and the rear side of the lower surface of the supporting seat 95 are respectively fixedly connected with a protection plate 99, one ends of the two connecting plates 96 are respectively fixedly connected with a sliding plate 94, the inner walls of the two connecting plates 96 are respectively fixedly connected with a plugging rod 98, a metal elastic sheet 97 is connected between the sliding plate 94 and the supporting seat 95, a fastening rod 92 is fixedly connected to the center of the upper surface of the supporting seat 95, a clamping block 91 is fixedly connected to the center of the top of the fastening rod 92, elastic balls 93 are fixedly connected to the front side and the rear side of the lower surface of the fastening rod 92, one end of an inserting rod 98 movably penetrates through a protecting plate 99 and is inserted into the limiting groove 62, two protecting plates 99 are respectively positioned at the front side and the rear side of the isolating switch main shaft 6, the sliding plate 94 is in sliding connection with the inside of the supporting seat 95, two connecting plates 96 are of an L-shaped structure, the two connecting plates 96 are in opposite distribution, a mounting block 5 is positioned right above the supporting seat 95, the fastening rod 92 is in sliding connection with the inside of the placing groove 53, the bottom of the elastic balls 93 is abutted against the inner wall of the placing groove 53, the clamping block 91 is movably inserted into the inside of the clamping groove 52, the bottom end of the limiting rod 4 is movably inserted into the mounting groove 51, one end rigid coupling of metal shell fragment 97 is on sliding plate 94, and the other end rigid coupling of metal shell fragment 97 is on the inner wall of supporting seat 95, metal shell fragment 97 is the component of copper alloy material, and metal shell fragment 97 is oval structure, can make things convenient for the user to fix installation piece 5 fast on isolator main shaft 6 through installation mechanism 9, avoided traditional loaded down with trivial details through bolt fastening, also labour saving and time saving when dismantling more moreover, only need pull two sets of linking plates 96 can accomplish the dismouting, and through elastic ball 93, fastening rod 92 and draw-in groove 52, can also conveniently install installation piece 5 and supporting seat 95 in real time, make things convenient for the follow-up maintenance and the spare part of changing of both.
Working principle: when the breaker and the isolating switch are both in a closing state, the push rod 7 is contacted with the push plate 21, the first spring 82 and the second spring 85 are in a stretching state, the bottom end of the limiting rod 4 is inserted into the mounting groove 51, the isolating switch main shaft 6 cannot rotate, further people cannot operate the isolating switch when the breaker is closed, when the breaker and the isolating switch are required to be separated, the breaker main shaft 2 drives the push plate 21 to rotate, the push plate 21 and the push rod 7 are further far away, the first slide plate 811 and the second slide plate 861 can be driven to move relatively under the action of the first spring 82 and the second spring 85, the push rod 7 can move rightwards under the action of the first bracket 83 and the second bracket 87, one end of the push rod 7 is abutted against the push plate 21, and meanwhile, after the first slide plate 811 and the second slide plate 861 relatively move, the limit rod 4 can be driven to ascend and move out from the installation groove 51, at the moment, the isolating switch can be switched off, the isolating switch main shaft 6 drives the baffle rod 61 to rotate, the top of the baffle rod 61 is attached to the bottom of the limit rod 4, at the moment, the limit rod 4 can be limited, so that people can not switch on the circuit breaker when the isolating switch is switched off, the push rod 7 can be driven to move right through the reset mechanism 8, after the push rod 7 moves right, the limit rod 4 can be driven to move upwards until the limit rod 4 moves out from the installation groove 51, at the moment, the lower isolating switch is conveniently switched off, the reset mechanism 8 adopts a spring symmetrical design, at the same time, the reset mechanism 8 is hinged between the first bracket 83 and the second bracket 87 through the first connecting rod 831 and the second connecting rod 871, the reset precision of the limit rod 4 can be greatly improved, the accurate control of isolator and circuit breaker has been ensured, then the user presses down elastic ball 93, and put into the standing groove 53 with fixture block 91 and fastening rod 92, sliding mounting piece 5 then, when moving to ideal position department, loosen elastic ball 93, under elastic force effect of elastic ball 93, can go into clamping groove 52 with fixture block 91, the same reason, press down elastic ball 93, can shift out fixture block 91 by clamping groove 52 this moment, then hold two linking plates 96 and move in opposite directions, and aim at spacing groove 62 with peg graft rod 98, loosen two linking plates 96 then, under the elastic force effect of metal shrapnel 97, can insert peg graft rod 98 in spacing groove 62, this moment can fix supporting seat 95 and installation piece 5 on isolator main shaft 6, the same reason, move two linking plates 96 in opposite directions, this moment peg graft rod 98 is shifted out by spacing groove 62, conveniently pull down supporting seat 95 and installation piece 5 by isolator main shaft 6 on, so can facilitate the use with installation piece 5 quick fixed on isolator main shaft 6 through installation mechanism 9, install the tradition and install the time-saving and install the convenient and take down the two linking plates 92 through the fixed connection piece, and the convenient to install and install the two linking plates and take down the real-time saving in time, the two take the time-saving device is more convenient to install the two and has been accomplished by the setting up piece 92, and the real-time is convenient to install and has been accomplished through the linking plate 92.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. Isolation switch and circuit breaker linkage operating mechanism for looped netowrk cabinet, including first fixed block (1), its characterized in that: the bottom of the first fixed block (1) is fixedly connected with an adjusting rod (3), sliding grooves (31) are longitudinally formed in two sides of the adjusting rod (3), a reset mechanism (8) is arranged in the inner part of the adjusting rod (3), a limit rod (4) is movably inserted into the bottom of the adjusting rod (3), one side of the adjusting rod (3) is connected with a push rod (7), a second fixed block (71) is movably sleeved outside the push rod (7), one end of the push rod (7) is provided with a breaker main shaft (2), a push plate (21) is fixedly connected to the breaker main shaft (2), the reset mechanism (8) comprises a first adjusting ring (81), a first sliding plate (811), a first spring (82), a first support (83), a plastic block (84), a second spring (85), a second adjusting ring (86), a second sliding plate (861) and a second support (87), the outer part of the adjusting rod (3) is sequentially and movably sleeved with the first adjusting ring (81) and the second adjusting ring (86), the inner center of the adjusting rod (3) is fixedly connected with a plastic block (84), the first sliding plate (84), the first spring (82) is connected to the first spring (82) at the top of the first sliding plate (82), the bottom of the second spring (85) is connected with a second slide plate (861), the outer side wall of the first adjusting ring (81) is movably connected with a first support (83), the outer side wall of the second adjusting ring (86) is movably connected with a second support (87), the bottom of the first support (83) is movably connected with a first connecting rod (831), the top of the second support (87) is movably connected with a second connecting rod (871), the bottom of the limiting rod (4) is movably sleeved with a mounting block (5), the top center of the mounting block (5) is provided with a mounting groove (51), the bottom of the mounting block (5) is provided with a holding groove (53), the inside of the mounting block (5) is provided with a clamping groove (52) communicated with the holding groove (53), the lower side of the mounting block (5) is provided with a mounting mechanism (9), the outer annular surface of the isolating switch spindle (6) is fixedly connected with a blocking rod (61), the front surface and the rear surface of the isolating switch spindle (6) are provided with limiting grooves (62), the mounting mechanism (9) comprises a clamping block (91), a fastening rod (92), an elastic ball (94), a supporting plate (99), a metal spring plate (96), a connecting plate (95), a connecting plate (96) and a metal spring plate (95), the front and back surfaces of supporting seat (95) all activity grafting has link plate (96), and the front and back both sides department of the lower surface of supporting seat (95) all rigid coupling has guard plate (99), and the one end of two link plates (96) all rigid coupling has sliding plate (94), and all rigid coupling has grafting pole (98) on the inner wall of two link plates (96), be connected with metal shrapnel (97) between sliding plate (94) and supporting seat (95), the upper surface center rigid coupling of supporting seat (95) has fastening rod (92), the top center rigid coupling of fastening rod (92) has fixture block (91), and the front and back both sides department of the lower surface of fastening rod (92) all rigid coupling has elastic ball (93).
2. The isolating switch and circuit breaker linkage operating mechanism for the ring main unit according to claim 1, wherein the lengths of the first connecting rod (831) and the second connecting rod (871) are equal, the joint of the first connecting rod (831) and the second connecting rod (871) is hinged, and the first adjusting ring (81) and the second adjusting ring (86) are both in a shape of a Chinese character 'hui'.
3. The isolating switch and circuit breaker linkage operation mechanism for a ring main unit according to claim 1, wherein one end of the first bracket (83) is movably connected to the upper surface of the push rod (7), one end of the second bracket (87) is movably connected to the lower surface of the push rod (7), and the first bracket (83) and the second bracket (87) are symmetrically distributed based on the push rod (7).
4. The isolating switch and circuit breaker linkage operating mechanism for the ring main unit according to claim 1, wherein the first sliding plate (811) and the second sliding plate (861) are both in sliding connection with the inside of the adjusting rod (3), and two ends of the first sliding plate (811) and the second sliding plate (861) are respectively in sliding connection with the inside of the two sliding grooves (31).
5. The isolating switch and circuit breaker linkage operating mechanism for the ring main unit according to claim 1, wherein two ends of the first sliding plate (811) are fixedly connected to two sides of the inner wall of the first adjusting ring (81), two ends of the second sliding plate (861) are fixedly connected to two sides of the inner wall of the second adjusting ring (86), and the top end of the limiting rod (4) is fixedly connected to the lower surface of the second sliding plate (861).
6. The isolating switch and circuit breaker linkage operation mechanism for the ring main unit according to claim 1, wherein one end of the plugging rod (98) movably penetrates through the protecting plates (99) and is plugged into the limiting groove (62), and the two protecting plates (99) are respectively positioned at the front side and the rear side of the isolating switch main shaft (6).
7. The isolating switch and circuit breaker linkage operating mechanism for the ring main unit according to claim 1, wherein the sliding plate (94) is slidably connected inside the supporting seat (95), the two connecting plates (96) are of an L-shaped structure, and the two connecting plates (96) are distributed relatively.
8. The isolating switch and circuit breaker linkage operating mechanism for the ring main unit according to claim 1, wherein the mounting block (5) is located right above the supporting seat (95), the fastening rod (92) is slidably connected inside the placing groove (53), and the bottom of the elastic ball (93) abuts against the inner wall of the placing groove (53).
9. The isolating switch and circuit breaker linkage operation mechanism for the ring main unit according to claim 1, wherein the clamping block (91) is movably inserted into the clamping groove (52), and the bottom end of the limiting rod (4) is movably inserted into the mounting groove (51).
10. The isolating switch and circuit breaker linkage operation mechanism for a ring main unit according to claim 1, wherein one end of the metal elastic sheet (97) is fixedly connected to the sliding plate (94), the other end of the metal elastic sheet (97) is fixedly connected to the inner wall of the supporting seat (95), the metal elastic sheet (97) is a member made of copper alloy, and the metal elastic sheet (97) is of an oval structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111100688.7A CN113936938B (en) | 2021-09-18 | 2021-09-18 | Isolating switch and circuit breaker linkage operation mechanism for ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111100688.7A CN113936938B (en) | 2021-09-18 | 2021-09-18 | Isolating switch and circuit breaker linkage operation mechanism for ring main unit |
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| Publication Number | Publication Date |
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| CN113936938A CN113936938A (en) | 2022-01-14 |
| CN113936938B true CN113936938B (en) | 2023-09-19 |
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| CN101916680A (en) * | 2010-08-17 | 2010-12-15 | 博耳(无锡)电力成套有限公司 | Mechanical interlock mechanism for ring main unit |
| CN202585190U (en) * | 2012-05-10 | 2012-12-05 | 上海良信电器股份有限公司 | Mechanical interlocking device for circuit breaker |
| CN104599877A (en) * | 2014-12-31 | 2015-05-06 | 温州新机电器有限公司 | Interlocking mechanism between disconnecting switch and circuit breaker of solid insulated switch |
| JP2016157592A (en) * | 2015-02-25 | 2016-09-01 | 株式会社日立製作所 | Grounding disconnector and opening/closing device using the same |
| CN108320946A (en) * | 2018-01-09 | 2018-07-24 | 河南森源电气股份有限公司 | A kind of switchgear and its disconnecting switch and breaker interlock |
| CN208385305U (en) * | 2018-08-01 | 2019-01-15 | 浙江巨力电气有限公司 | A kind of interlocking gear of breaker |
| CN111091998A (en) * | 2018-10-23 | 2020-05-01 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
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| CN111341595A (en) * | 2018-12-18 | 2020-06-26 | 恒特电气有限公司 | High tension switchgear isolating switch locking device |
| CN209496796U (en) * | 2019-01-25 | 2019-10-15 | 安徽新高电气有限公司 | A kind of breaker with anti-misoperation linkage structure is isolated |
| CN209626655U (en) * | 2019-04-17 | 2019-11-12 | 高绪权 | A kind of isolation for solid insulation cabinet and ground connection operating mechanism |
| CN212062345U (en) * | 2020-04-09 | 2020-12-01 | 河北鸿森电力设备有限公司 | Linkage device of high-voltage comprehensive insurance circuit breaker |
| CN211957472U (en) * | 2020-04-30 | 2020-11-17 | 鄂尔多斯市隆圣矿山机电股份有限公司 | Locking type emergency stop switch button for belt conveyor |
| CN111900661A (en) * | 2020-07-29 | 2020-11-06 | 湖北省电力装备有限公司 | Atmospheric-pressure sealed air insulation ring main unit |
| CN212967458U (en) * | 2020-09-08 | 2021-04-13 | 万瑞机电(深圳)有限公司 | Five-prevention interlocking device of upper isolation lower short-circuit device switch cabinet |
| CN213815944U (en) * | 2020-11-29 | 2021-07-27 | 郑州大学 | Opposite direction double rotation porcelain bottle transmission base space four-bar linkage mechanism |
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