CN111933465B - Isolating switch device for power engineering - Google Patents

Isolating switch device for power engineering Download PDF

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Publication number
CN111933465B
CN111933465B CN202011006383.5A CN202011006383A CN111933465B CN 111933465 B CN111933465 B CN 111933465B CN 202011006383 A CN202011006383 A CN 202011006383A CN 111933465 B CN111933465 B CN 111933465B
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CN
China
Prior art keywords
rotating shaft
connecting rod
switch cabinet
guide sleeve
worm
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Application number
CN202011006383.5A
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Chinese (zh)
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CN111933465A (en
Inventor
朱雪峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENGLI OILFIELD HENGYUAN ELECTRIC Co.,Ltd.
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Shengli Oilfield Hengyuan Electric Co ltd
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Application filed by Shengli Oilfield Hengyuan Electric Co ltd filed Critical Shengli Oilfield Hengyuan Electric Co ltd
Priority to CN202011006383.5A priority Critical patent/CN111933465B/en
Publication of CN111933465A publication Critical patent/CN111933465A/en
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Publication of CN111933465B publication Critical patent/CN111933465B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02—Details
    • H01H31/026—Movable parts and contacts mounted thereon
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56—Cooling; Ventilation
    • H02B1/565—Cooling; Ventilation for cabinets

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The invention discloses an electric power engineering isolating switch device, which comprises an installation shell, wherein the installation shell is of a cuboid structure, an air inlet and an air outlet are arranged on the installation shell, the air inlet is close to the bottom of the installation shell, the air outlet is positioned at the top of the installation shell, a cable chamber, a knife switch cabinet and a fuse are arranged in the installation shell, a door plate is arranged on the knife switch cabinet, when a first breaker and a second breaker are powered off, coils in the first breaker and the second breaker attract armatures, so that a limiting plate is contracted, the limiting plate cancels the limiting of the first gear and the second gear, so that a transmission component can drive a second rotating shaft and a third rotating shaft to rotate, if a handle is rotated, the second rotating shaft and the third rotating shaft are not rotated, so that the first breaker and the second breaker are not powered off, and when the power is required to be isolated, the transmission component drives the second rotating shaft and, when the first connecting plate and the second connecting plate rotate, the first guide block and the second guide block are separated from the connecting block, so that power failure can be isolated.

Description

Isolating switch device for power engineering
Technical Field
The invention relates to the technical field of switches, in particular to an isolating switch device for power engineering.
Background
The isolating switch is an electrical appliance which is used most in high-voltage switch electrical appliances, the working principle and the structure of the isolating switch are simple, but the isolating switch has high requirements on the working reliability due to large using amount and large influence on the design, establishment and safe operation of a substation and a power plant, and the isolating switch is mainly used for establishing a reliable insulating gap after opening, and separating equipment or a circuit to be overhauled from a power supply by an obvious disconnection point so as to ensure the safety of overhaulers and the equipment.
The contacts of the disconnector are all exposed to the air and have distinct breaking points, the disconnector has no arc extinguishing device and therefore cannot be used for cutting off load current or short-circuit current, otherwise under the action of high voltage, the breaking points will generate strong electric arcs and are difficult to self-extinguish, which may cause flashover (relative ground or interphase short circuit), burn equipment and endanger personal safety, which is a serious accident called pulling the disconnector with load.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an electric power engineering isolating switch device.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
Power engineering disconnector arrangement, comprising:
the installation shell is of a cuboid structure, an air inlet and an air outlet are formed in the installation shell, the air inlet is close to the bottom of the installation shell, the air outlet is located at the top of the installation shell, a cable chamber, a knife switch cabinet and a fuse are arranged in the installation shell, a door plate is arranged on the knife switch cabinet, an isolation power-off mechanism is arranged in the knife switch cabinet, and the isolation power-off mechanism comprises an isolation assembly I, an isolation assembly II and a transmission assembly for driving the isolation assembly I and the isolation assembly II to work;
the transmission assembly comprises a first rotating shaft, a first bevel gear, a handle, a second bevel gear, a third bevel gear, a first worm, a second worm, a first worm wheel and a second worm wheel, the first rotating shaft is movably mounted on the side wall of the knife switch cabinet, one end of the first rotating shaft penetrates through the side wall of the knife switch cabinet and extends into the knife switch cabinet, the handle is sleeved at one end of the first rotating shaft, the first bevel gear is fixedly sleeved at the other end of the first rotating shaft, the handle is located outside the knife switch cabinet, the first worm and the second worm are horizontally mounted in the knife switch cabinet, the end of the first worm is close to the end of the second worm, the second bevel gear is sleeved at the end of the first worm, the third bevel gear is arranged at the end of the second worm, the first worm is connected with the second isolating assembly.
As a further improvement of the technical scheme, the first isolation component comprises a second rotating shaft, a first gear, a first connecting shell and a second worm gear, the second rotating shaft and the first connecting shell are arranged in the knife switch cabinet, the second rotating shaft is arranged on one side of the first connecting shell, the second rotating shaft is horizontally arranged in the knife switch cabinet, two end parts of the second rotating shaft are movably connected with the inner wall of the knife switch cabinet, the first gear is coaxially and fixedly sleeved at one end part of the second rotating shaft, the second worm gear is coaxially and fixedly sleeved at the other end part of the second rotating shaft, the second isolation component comprises a third rotating shaft, a second gear, a second connecting shell and a first worm gear, the second connecting shell is arranged in the knife switch cabinet, the third rotating shaft is arranged on one side of the second connecting shell, the third rotating shaft is horizontally arranged in the knife switch cabinet, two end parts of the third rotating shaft are movably connected with the inner wall of the knife switch cabinet, the second gear is coaxially and fixedly sleeved at, the second rotating shaft and the third rotating shaft are arranged in parallel, the second rotating shaft and the third rotating shaft are located between the first connecting shell and the second connecting shell, the first circuit breaker is installed in the first connecting shell, the second circuit breaker is installed in the second connecting shell, the first circuit breaker is close to the first gear, and the second circuit breaker is close to the second gear.
As a further improvement of the technical scheme, the side walls of the first connecting shell and the second connecting shell are respectively provided with a connecting block, the second rotating shaft and the third rotating shaft are respectively provided with a connecting piece connected with the connecting block, the connecting piece comprises a first connecting plate, a second connecting plate, a first guide block, a second guide block, a first guide sleeve, a second guide sleeve, a first connecting rod, a second connecting rod, a third guide sleeve, a fourth guide sleeve, a third connecting rod and a fourth connecting rod, the first connecting plate and the second connecting plate are connected on the circumferences of the second rotating shaft and the third rotating shaft, the first guide sleeve and the second guide sleeve are horizontally connected at the end part of the first connecting plate, the third guide sleeve and the fourth guide sleeve are horizontally connected at the end part of the second connecting plate, the first connecting rod and the second connecting rod are respectively sleeved in the first guide sleeve and the second guide sleeve, the third connecting rod and the fourth connecting rod, the end parts of the springs are fixedly connected with the end parts of the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the first guide block is fixedly connected to the end parts of the first connecting rod and the second connecting rod, the second guide block is fixedly connected to the end parts of the third connecting rod and the fourth connecting rod, and the first guide block and the second guide block are in contact with the connecting block.
As a further improvement of the technical scheme, a handle is arranged on a door plate of the switch cabinet.
Compared with the prior art, the invention has the advantages that in the using process of the invention, when the first circuit breaker and the second circuit breaker are powered off, the coils in the first circuit breaker and the second circuit breaker attract the armatures, so that the limiting plate is contracted, and the limiting plate cancels the limiting of the first gear and the second gear, so that the transmission assembly can drive the second rotating shaft and the third rotating shaft to rotate, if the handle is rotated, the second rotating shaft and the third rotating shaft do not rotate, so that the first circuit breaker and the second circuit breaker are not powered off, when the power-off needs to be isolated, the transmission assembly drives the second rotating shaft and the third rotating shaft to rotate, then the first connecting plate and the second connecting plate are driven to rotate, and when the first connecting plate and the second connecting plate rotate, the first guide block and the second.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the mounting case of the present invention.
FIG. 3 is a schematic diagram of the isolated power-off mechanism of the present invention.
FIG. 4 is a schematic view of the first and second isolation components of the present invention.
FIG. 5 is a schematic view of a transmission assembly, a first isolation assembly and a second isolation assembly of the present invention.
Fig. 6 is an installation schematic diagram of the first connecting shell and the second connecting shell of the invention.
FIG. 7 is a schematic view of the transmission assembly of the present invention.
FIG. 8 is a schematic view of a structure of the isolation assembly of the present invention.
Fig. 9 is a schematic structural diagram of a first connecting plate and a second connecting plate of the invention.
Fig. 10 is an installation diagram of the first guide block and the second guide block of the present invention.
Labeled as:
10. installing a shell; 110. an air inlet; 120. an air outlet; 130. a cable chamber; 140. a knife switch cabinet; 141. a door panel; 142. a handle; 150. a fuse;
20. an isolation power-off mechanism; 210. a first isolation component; 211. a second rotating shaft; 212. a first gear; 213. connecting the first shell; 214. connecting blocks; 215. a first breaker; 216. a limiting plate; 217. a first connecting plate; 218. a second connecting plate; 219. a first guide block; 220. a second isolation component; 221. a rotating shaft III; 222. a second gear; 223. a second connecting shell; 230. a transmission assembly; 231. a first rotating shaft; 232. a first bevel gear; 233. a handle; 234. a second bevel gear; 235. a third bevel gear; 236. a first worm; 237. a second worm; 238. a first worm wheel; 239. a second worm gear; 240. a second guide block; 241. a first guide sleeve; 242. a second guide sleeve; 243. a first connecting rod; 244. a second connecting rod; 245. a third guide sleeve; 246. a fourth guide sleeve; 247. a third connecting rod; 248. and a connecting rod IV.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-10, an electrical engineering disconnector arrangement, comprising:
the installation shell 10 is of a cuboid structure, an air inlet 110 and an air outlet 120 are arranged on the installation shell 10, the air inlet 110 is close to the bottom of the installation shell 10, the air outlet 120 is located at the top of the installation shell 10, a cable chamber 130, a knife switch cabinet 140 and a fuse 150 are arranged in the installation shell 10, a door plate 141 is arranged on the knife switch cabinet 140 to facilitate opening of the knife switch cabinet 140, an isolation power-off mechanism 20 is arranged in the knife switch cabinet 140, and the isolation power-off mechanism 20 comprises a first isolation component 210, a second isolation component 220 and a transmission component 230 for driving the first isolation component 210 and the second isolation component 220 to work;
the transmission assembly 230 comprises a first rotating shaft 231, a first bevel gear 232, a handle 233, a second bevel gear 234, a third bevel gear 235, a first worm 236, a second worm 237, a first worm gear 238 and a second worm gear 239, the first rotating shaft 231 is movably mounted on the side wall of the knife switch cabinet 140, one end of the first rotating shaft 231 penetrates through the side wall of the knife switch cabinet 140 to extend into the knife switch cabinet 140, the handle 233 is sleeved at one end of the first rotating shaft 231, the first bevel gear 232 is fixedly sleeved at the other end of the first rotating shaft 231, the handle 233 is outside the knife switch cabinet 140, the first worm 236 and the second worm 237 are horizontally mounted in the knife switch cabinet 140, the end of the first worm 236 is close to the end of the second worm 237, the second bevel gear 234 is sleeved at the end of the first worm 236, the third bevel gear 235 is sleeved at the end of the second worm 237, the first worm 236 is connected with the second isolating assembly 220, the second worm 237 is connected with the first isolating assembly 210, the handle 233, thereby driving the second bevel gear 234 and the third bevel gear 235 to rotate, then driving the first worm 236 and the second worm 237 to rotate, and driving the second isolation component 220 and the first isolation component 210 to work respectively by the first worm 236 and the second worm 237.
As shown in fig. 6 and 8-10, the first isolation assembly 210 includes a second rotating shaft 211, a first gear 212, a first connecting casing 213, a second worm gear 239, the second rotating shaft 211 and the first connecting casing 213 are disposed in the knife switch cabinet 140, the second rotating shaft 211 is disposed at one side of the first connecting casing 213, the second rotating shaft 211 is horizontally disposed in the knife switch cabinet 140, two end portions of the second rotating shaft 211 are movably connected to an inner wall of the knife switch cabinet 140, the first gear 212 is coaxially and fixedly sleeved on one end portion of the second rotating shaft 211, the second worm gear 239 is coaxially and fixedly sleeved on the other end portion of the second rotating shaft 211, the second isolation assembly 220 includes a third rotating shaft 221, a second gear 222, a second connecting casing 223 and a first worm gear 238, the second connecting casing 223 is disposed in the knife switch cabinet 140, the third rotating shaft 221 is disposed at one side of the second connecting casing 223, the third rotating shaft 221 is horizontally disposed in the knife switch cabinet 140, two end portions of the third rotating shaft, the second gear 222 is coaxially and fixedly sleeved at one end of the third rotating shaft 221, the first worm wheel 238 is coaxially and fixedly sleeved at the other end of the third rotating shaft 221, the second rotating shaft 211 and the third rotating shaft 221 are arranged in parallel, the second rotating shaft 211 and the third rotating shaft 221 are positioned between the first connecting shell 213 and the second connecting shell 223, the first circuit breaker 215 is installed in the first connecting shell 213, the second circuit breaker is installed in the second connecting shell 223, the first circuit breaker 215 is close to the first gear 212, the second circuit breaker is close to the second gear 222, when the switch is isolated and powered off, the first circuit breaker 215 and the second circuit breaker are disconnected, the first circuit breaker 215 and the second circuit breaker are both provided with limiting plates 216, the limiting plates 216 are connected with armatures of the first circuit breaker 215 and the second circuit breaker, the limiting plate 216 on the first circuit breaker 215 penetrates through the wall part of the first connecting shell 213 to extend out and is positioned between two tooth blocks of the first gear 212, the limiting, when the first breaker 215 and the second breaker are powered off, the coils in the first breaker 215 and the second breaker attract the armatures, so that the limiting plate 216 is contracted, the limiting plate 216 cancels the limiting of the first gear 212 and the second gear 222, and the transmission assembly 230 can drive the second rotating shaft 211 and the third rotating shaft 221 to rotate.
More specifically, as shown in fig. 8 to 10, the side walls of the first connecting shell 213 and the second connecting shell 223 are respectively provided with a connecting block 214, the second rotating shaft 211 and the third rotating shaft 221 are respectively provided with a connecting piece connected with the connecting block 214, the connecting piece includes a first connecting plate 217, a second connecting plate 218, a first guide block 219, a second guide block 240, a first guide sleeve 241, a second guide sleeve 242, a first connecting rod 243, a second connecting rod 244, a third guide sleeve 245, a fourth guide sleeve 246, a third connecting rod 247 and a fourth connecting rod 248, the first connecting plate 217 and the second connecting plate 218 are connected to the circumferences of the second rotating shaft 211 and the third rotating shaft 221, the first guide sleeve 241 and the second guide sleeve 242 are horizontally connected to the end of the first connecting plate 217, the third guide sleeve 245 and the fourth guide sleeve 246 are horizontally connected to the end of the second connecting plate 218, the first connecting rod 243 and the second connecting rod 244 are respectively sleeved in the first guide sleeve 241, In the guide sleeve four 246, the guide sleeve one 241, the guide sleeve two 242, the guide sleeve three 245 and the guide sleeve four 246 are all sleeved with springs, the end parts of the springs are fixedly connected with the end parts of the connecting rod one 243, the connecting rod two 244, the connecting rod three 247 and the connecting rod four 248, the guide block one 219 is fixedly connected with the end parts of the connecting rod one 243 and the connecting rod two 244, the guide block two 240 is fixedly connected with the end parts of the connecting rod three 247 and the connecting rod four 248, the guide block one 219 and the guide block two 240 are in contact with the connecting block 214, when the power failure needs to be isolated, the transmission assembly 230 drives the rotating shaft two 211 and the rotating shaft three 221 to rotate, then the connecting plate one 217 and the connecting plate two 218 are driven to rotate, and when the connecting plate one 217 and the connecting plate two 218 rotate, the.
More specifically, the door panel 141 of the knife switch cabinet 140 is provided with a handle 142, so that the door panel 141 can be conveniently opened.
The working principle is as follows:
in the using process of the invention, the handle 233 is rotated, the first rotating shaft 231 rotates to drive the first bevel gear 232 to rotate, so as to drive the second bevel gear 234 and the third bevel gear 235 to rotate, then the first worm 236 and the second worm 237 are driven to rotate, the first worm 236 and the second worm 237 respectively drive the second isolating component 220 and the first isolating component 210 to work, when the switch is isolated and powered off, the first breaker 215 and the second breaker are disconnected, the first breaker 215 and the second breaker are both provided with the limit plates 216, the limit plates 216 are connected with the first breaker 215 and the armature iron on the second breaker, the limit plates 216 on the first breaker 215 penetrate through the wall part of the first connecting shell 213 and are positioned between the two tooth blocks of the first gear 212, the limit plates 216 on the second breaker penetrate through the wall part of the second connecting shell 223 and are positioned between the two tooth blocks of the second gear 222, and when the first breaker 215 and the second breaker are, The coil in the second circuit breaker attracts the armature, so that the limit plate 216 contracts, the limit plate 216 cancels the limit of the first gear 212 and the second gear 222, the transmission assembly 230 can drive the second rotating shaft 211 and the third rotating shaft 221 to rotate, when the power failure needs to be isolated, the transmission assembly 230 drives the second rotating shaft 211 and the third rotating shaft 221 to rotate, then the first connecting plate 217 and the second connecting plate 218 are driven to rotate, and when the first connecting plate 217 and the second connecting plate 218 rotate, the first guide block 219 and the second guide block 240 are separated from the connecting block 214, so that the power failure can be isolated.
It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims (2)

1. Electric power engineering isolator device, its characterized in that, it includes:
the installation shell is of a cuboid structure, an air inlet and an air outlet are formed in the installation shell, the air inlet is close to the bottom of the installation shell, the air outlet is located at the top of the installation shell, a cable chamber, a knife switch cabinet and a fuse are arranged in the installation shell, a door plate is arranged on the knife switch cabinet, an isolation power-off mechanism is arranged in the knife switch cabinet, and the isolation power-off mechanism comprises an isolation assembly I, an isolation assembly II and a transmission assembly for driving the isolation assembly I and the isolation assembly II to work;
the transmission assembly comprises a first rotating shaft, a first bevel gear, a handle, a second bevel gear, a third bevel gear, a first worm, a second worm, a first worm wheel and a second worm wheel, wherein the first rotating shaft is movably arranged on the side wall of the knife switch cabinet, one end of the first rotating shaft penetrates through the side wall of the knife switch cabinet and extends into the knife switch cabinet, the handle is sleeved at one end of the first rotating shaft, the first bevel gear is fixedly sleeved at the other end of the first rotating shaft, the handle is positioned outside the knife switch cabinet, the first worm and the second worm are horizontally arranged in the knife switch cabinet, the end part of the first worm is close to the end part of the second worm, the second bevel gear is sleeved at the end part of the first worm, the third bevel gear is sleeved at the end part of the second worm, the first worm is connected;
the isolating assembly I comprises a rotating shaft II, a gear I, a connecting shell I and a worm wheel II, the rotating shaft II and the connecting shell I are arranged in the knife switch cabinet, the rotating shaft II is positioned at one side of the connecting shell I, the rotating shaft II is horizontally arranged in the knife switch cabinet, two end parts of the rotating shaft II are movably connected with the inner wall of the knife switch cabinet, the gear I is coaxially and fixedly sleeved at one end part of the rotating shaft II, the worm wheel II is coaxially and fixedly sleeved at the other end part of the rotating shaft II, the isolating assembly II comprises a rotating shaft III, a gear II, a connecting shell II and a worm wheel I, the connecting shell II is arranged in the knife switch cabinet, the rotating shaft III is positioned at one side of the connecting shell II, the rotating shaft III is horizontally arranged in the knife switch cabinet, two end parts of the rotating shaft III are movably connected with the inner wall of the knife switch cabinet, the gear II is coaxially and fixedly sleeved at, the second rotating shaft and the third rotating shaft are arranged in parallel, the second rotating shaft and the third rotating shaft are positioned between the first connecting shell and the second connecting shell, a first circuit breaker is installed in the first connecting shell, a second circuit breaker is installed in the second connecting shell, the first circuit breaker is close to the first gear, and the second circuit breaker is close to the second gear;
the connecting device comprises a first connecting plate, a second connecting plate, a first guide block, a second guide block, a first guide sleeve, a second guide sleeve, a first connecting rod, a second connecting rod, a third guide sleeve, a fourth connecting rod and a fourth connecting rod, wherein the first connecting plate and the second connecting plate are connected to the circumferences of the second rotating shaft and the third rotating shaft, the first guide sleeve and the second guide sleeve are horizontally connected to the end of the first connecting plate, the third guide sleeve and the fourth guide sleeve are horizontally connected to the end of the second connecting plate, the first connecting rod and the second connecting rod are respectively sleeved in the first guide sleeve and the second guide sleeve, the third connecting rod and the fourth connecting rod are respectively sleeved in the third guide sleeve and the fourth guide sleeve, springs are respectively sleeved in the first guide sleeve, the second guide sleeve, the third guide sleeve and the fourth guide sleeve, and the end of each spring is connected with the first connecting rod and the second connecting rod, The end parts of the third connecting rod and the fourth connecting rod are fixedly connected, the first guide block is fixedly connected to the end parts of the first connecting rod and the second connecting rod, the second guide block is fixedly connected to the end parts of the third connecting rod and the fourth connecting rod, and the first guide block and the second guide block are in contact with the connecting block.
2. The electrical engineering disconnecting switch device according to claim 1, wherein a handle is disposed on the door panel of the switch blade cabinet.
CN202011006383.5A 2020-09-23 2020-09-23 Isolating switch device for power engineering Active CN111933465B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011006383.5A CN111933465B (en) 2020-09-23 2020-09-23 Isolating switch device for power engineering

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011006383.5A CN111933465B (en) 2020-09-23 2020-09-23 Isolating switch device for power engineering

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Publication Number Publication Date
CN111933465A CN111933465A (en) 2020-11-13
CN111933465B true CN111933465B (en) 2021-03-02

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047466A (en) * 2015-06-30 2015-11-11 河南平高电气股份有限公司 Grounding knife rod balance mechanism, grounding knife rod mechanism and grounding switch
CN109285718A (en) * 2018-11-27 2019-01-29 常州耀洲众创空间有限公司 A kind of automation disconnecting switch
CN209591823U (en) * 2018-09-05 2019-11-05 谢佶翰 Transmission structure of knife switch driving spindle of grounding switch assembly
CN210040944U (en) * 2019-07-08 2020-02-07 昆明湘云衡电气设备有限公司 High tension switchgear and transformer tripping device that interlocks
CN111628436A (en) * 2020-07-28 2020-09-04 南京网安视智能系统有限公司 Temperature measuring device for high-voltage switch cabinet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105047466A (en) * 2015-06-30 2015-11-11 河南平高电气股份有限公司 Grounding knife rod balance mechanism, grounding knife rod mechanism and grounding switch
CN209591823U (en) * 2018-09-05 2019-11-05 谢佶翰 Transmission structure of knife switch driving spindle of grounding switch assembly
CN109285718A (en) * 2018-11-27 2019-01-29 常州耀洲众创空间有限公司 A kind of automation disconnecting switch
CN210040944U (en) * 2019-07-08 2020-02-07 昆明湘云衡电气设备有限公司 High tension switchgear and transformer tripping device that interlocks
CN111628436A (en) * 2020-07-28 2020-09-04 南京网安视智能系统有限公司 Temperature measuring device for high-voltage switch cabinet

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