CN104051199B - A kind of chopper auxiliary member - Google Patents

A kind of chopper auxiliary member Download PDF

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Publication number
CN104051199B
CN104051199B CN201310684312.4A CN201310684312A CN104051199B CN 104051199 B CN104051199 B CN 104051199B CN 201310684312 A CN201310684312 A CN 201310684312A CN 104051199 B CN104051199 B CN 104051199B
Authority
CN
China
Prior art keywords
chopper
fixed part
transmission shaft
power transmission
auxiliary member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310684312.4A
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Chinese (zh)
Other versions
CN104051199A (en
Inventor
袁茂银
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310684312.4A priority Critical patent/CN104051199B/en
Publication of CN104051199A publication Critical patent/CN104051199A/en
Application granted granted Critical
Publication of CN104051199B publication Critical patent/CN104051199B/en
Active legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/127—Withdrawal mechanism
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • 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
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32—Mounting of devices therein
    • H02B1/34—Racks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H33/565—Gas-tight sealings for moving parts penetrating into the reservoir
    • 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
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H02B1/052—Mounting on rails
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/127—Withdrawal mechanism
    • H02B11/133—Withdrawal mechanism with interlock
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6667—Details concerning lever type driving rod arrangements
    • 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
    • H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
    • 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
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • 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
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32—Mounting of devices therein
    • H02B1/34—Racks
    • H02B1/36—Racks with withdrawable units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00—Switchgear having carriage withdrawable for isolation
    • H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035—Gas-insulated switchgear
    • H02B13/045—Details of casing, e.g. gas tightness

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Trip Switchboards (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

The invention discloses a kind of chopper auxiliary member, auxiliary member includes a flange, an operation power transmission shaft and a corrugated tube, and described operation power transmission shaft sequentially passes through described corrugated tube and described flange.Compared with prior art, a kind of chopper auxiliary member that the present invention provides, operation power transmission shaft motion is passed to chopper, controls the divide-shut brake of chopper；It is welded between flange and operation power transmission shaft using sylphon seal and form a sealing buffer area, coordinate switch cubicle simultaneously, keep chopper in one with the work space of external environment isolation, affect performance from dust, humid air, so extend the service life of chopper, meet power system to the economy of chopper, reliability high request, greatly improve the seriality of powered operation, therefore its application prospect is very wide.

Description

A kind of chopper auxiliary member
Technical field
The present invention relates to field of circuit breakers, specifically, it is to be related to a kind of chopper auxiliary member.
Background technology
High-tension switch cabinet is for realizing power system generating, transmission of electricity, distribution, electric energy conversion and playing break-make, control in consuming The electric equipment products of the effect such as system or protection.High-voltage switch gear manufacturing industry is the manufacturing important component part of power transmission and transforming equipment, whole Very important status is occupied in individual power industry.
Chopper is whole switch cubicle key component, and the classification of switch cubicle also the position in switch cubicle has with chopper Close.Chopper is to refer to close, carry and cut-off the electric current under normal loop condition, and can folding, regulation time in Carry and cut-off the switching device of the electric current under abnormal loop condition (inclusion off condition).Chopper can be used to distribute electric energy, Infrequently start asynchronous motor, protection carried out to power circuit and motor etc., when they occur serious overloads or Energy automatic shutdown circuit during the fault such as short-circuit and under-voltage, its function is equivalent to Fuse switch and crosses the group of underheat relay etc. Close.
Now in high-tension switch gear technical field, chopper need to control simultaneously connection with disconnecting switch and itself The switch of arc-chutes, chopper is applied in switch cubicle, and switch cubicle is typically directly exposed in air, its shell protection grade Low, but chopper is easily affected performance by dust, humid air, shortens the service life of chopper, therefore how same time control System with the connection of disconnecting switch and the switch of chopper itself arc-chutes, and to chopper provide one with ambient environment Work space, is the problem of urgent need to resolve.
Content of the invention
The problems referred to above existing for prior art, it is an object of the invention to provide a kind of chopper auxiliary member, will grasp Make power transmission shaft motion and pass to chopper, control the divide-shut brake of chopper, coordinate switch cubicle simultaneously, keep chopper one with outer The work space of boundary's environment isolation.
For achieving the above object, the technical solution used in the present invention is as follows：
A kind of chopper auxiliary member, it includes a flange, an operation power transmission shaft and a corrugated tube, and operation power transmission shaft is successively Run through corrugated tube and flange.
Preferably, operation power transmission shaft is divided into rotation section and fixed part, is provided with bearing, preferably between rotation section and fixed part Oilless bearing.
Preferably, fixed part is flexibly connected with described rotation section, and when fixed part translation, fixed part is put down with rotation section simultaneously Dynamic；Rotation section rotates with respect to fixed part.
Preferably, the fixed part of operation power transmission shaft passes through corrugated tube, the sealing plate of chopper and flange.
Preferably, corrugated tube two ends are tightly connected flange and fixed part outer wall respectively.
It is highly preferred that the part axis body of fixed part is solid.
It is highly preferred that the outer wall of sylphon seal connecting portion solid part, preferably weld.
Preferably, corrugated tube is compressible and its two ends is tightly connected flange and fixed part outer wall respectively, when operation passes During driving-axle gearing circuit-breaker switching on-off action, operation power transmission shaft is to move left and right, and corrugated tube is because its sealing welding is in flange and behaviour Make between power transmission shaft, to define a sealing buffer area.
Compared with prior art, the present invention provides a kind of chopper auxiliary member, operation power transmission shaft motion is passed to disconnected Road device, controls the divide-shut brake of chopper；It is welded between flange and operation power transmission shaft using sylphon seal and form a sealing Buffer area, coordinates switch cubicle simultaneously, keeps chopper in one with the work space of external environment isolation, from dust, tide Humid air affects performance, so extends the service life of chopper, meets power system high to the economy of chopper, reliability Require, greatly improve the seriality of powered operation, therefore its application prospect is very wide.
Brief description
The axonometric chart of the auxiliary member that Fig. 1 provides for the present invention；
The explosive view of the auxiliary member that Fig. 2 provides for the present invention；
Fig. 3 applies the sectional view with chopper for the auxiliary member that the present invention provides.
Specific embodiment
The present invention is made further in detail, intactly illustrate with reference to embodiment and accompanying drawing.
As shown in Figure 1 to Figure 3, the auxiliary member 10 providing for the present invention, this auxiliary member 10 is arranged on chopper 20, is used for Control the divide-shut brake of chopper 20.Auxiliary member 10 includes a flange 11, operation power transmission shaft 12 and a corrugated tube 13, operation transmission Axle 12 sequentially passes through corrugated tube 13 and flange 11.
In order to better illustrate the structure of this auxiliary member 10, said taking a chopper 20 of the offer of the present inventor as a example Bright, it will be appreciated, however, that this auxiliary member 10 is not limited to be only capable of using the chopper 20 in the type, this auxiliary member 10 is also suitable For other kinds of chopper.
Chopper 20 includes a rotating shaft 21, a driving member 22, an operating parts 23, a sealing plate 24 and three-phase vacuum breaker Pole 25, flange 11 is connected with sealing plate 24, and driving member 22 is connected with rotating shaft 21, and three-phase vacuum breaker pole 25 is fixed on and turns On axle 21, operate power transmission shaft 12 attended operation part 23 and driving member 22, the motion of operating parts 23 is passed through to operate power transmission shaft 12 to transmit To driving member 22 and rotating shaft 21, driving member 22 controls the switching of chopper 20.
Chopper 20 is applied in switch cubicle, and chopper 20 further includes that the two ends of three-phase vacuum breaker pole 25 are divided Be not provided with a pair or two pairs of moving contacts 251, can contact with the static contact in switch cubicle, when the rotating shaft 21 in chopper 20 rotate to Moving contact 251 is contacted with static contact, and such switch cubicle is in channel status；When the rotating shaft 21 in chopper 20 is rotated to not touched with dynamic 251 are not contacted with static contact, and such switch cubicle is in off state.The angle that general rotating shaft 21 once rotates is 90 degree, so Three-phase vacuum breaker pole 25 is arranged in parallel from left to right to be fixed in rotating shaft 21 and can be with rotating shaft 21 with 90 ° of positive and negative rotations.
Flange 11 is spirally connected sealing plate 24, and is preferably sequentially provided with form fit in the opposite face of flange 11 and sealing plate 24 O-shaped gasket groove (not shown), then place after O-shaped packing ring (not shown) again through the fixing seal that is spirally connected, it thus is avoided that outer Portion's air enters the work space for chopper 20 isolation, produces impact to the performance of chopper 20.
Operation power transmission shaft 12 is connected with chopper 20, is socketed in rotating shaft 21, and operation power transmission shaft 12 is divided into rotation section 121 He Fixed part 122, is provided with multiple bearings 123, preferably oilless bearing between rotation section 121 and fixed part 122.122 sets of fixed part Be connected in rotation section 121, fixed part 122 move left and right drive rotation section 121 move left and right, simultaneously rotation section 121 with respect to Fixed part 122 rotates, and is between rotation section 121 and fixed part 122 using bearing 123, prevents rotation section 121 and fixed part 122 connection tensions, make rotation section 121 can not rotate.
The fixed part 122 of operation power transmission shaft 12 passes through corrugated tube 13, the sealing plate 24 of chopper 20 and flange 11, and with disconnected The operating parts 23 of road device 20 connects to transmit the action of operating parts 23；Chopper 20 is passed through in the rotation section 121 of operation power transmission shaft 12 Actuated element 22 be connected transmission with the rotating shaft 21 of chopper 20.
Corrugated tube 13 is compressible and its two ends is tightly connected flange 11 and fixed part 122 outer wall respectively.Preferably, fixing The part axis body in portion 122 is solid, and corrugated tube 13 is sealedly connected and fixed the outer wall of portion 122 solid part, and connected mode is excellent Elect welding as, such corrugated tube 13 is more firm with the connection of fixed part 122, it is to avoid the generation of gas leak phenomenon.Corrugated tube 13 because Its sealing welding defines sealing plate 24 left side being located at chopper 20 between flange 11 and operation power transmission shaft 12 Sealing buffer area, and the compressibility of corrugated tube 13 does not affect to operate moving left and right of power transmission shaft 12 to realize dividing of chopper Close a floodgate.
When fixed part 122 side-to-side movement of operation power transmission shaft 12, fixed part 122 is socketed with rotation section 121, fixed part 122 Drive rotation section 121 side-to-side movement, rotation section 121 is moved left and right with actuated element 22, so make driving member 22 control chopper 20 switching.Actuated element 22, preferably one connecting lever, such as seven word connecting levers, the division of chopper 20 is made by gearing Lock, i.e. the divide-shut brake of the arc-chutes (vacuum bubbles or vacuum tube) of three-phase vacuum breaker pole 25.
When operating parts 23 controls rotating shaft 21 to rotate, the rotation section 121 of operation power transmission shaft 12 is passed through actuated element 22 and is turned Axle 21 connects, and such rotation section 121 rotates in company with rotating shaft 21, and now the fixed part 122 of operation power transmission shaft 12 will not be with rotation Portion 121 rotates, and so keeps chopper 20 in one with the work space of external environment isolation, from dust, humid air shadow Ring performance, so extend the service life of chopper 20.
Finally be necessary described herein be：Above example is served only for detailed further to technical scheme work It is impossible to be interpreted as limiting the scope of the invention, those skilled in the art is according to the above of the present invention for ground explanation Some the nonessential improvement made and adjustment belong to protection scope of the present invention.

Claims (7)

1. a kind of chopper auxiliary member is it is characterised in that include a flange, an operation power transmission shaft and a corrugated tube, described behaviour Sequentially pass through described corrugated tube and described flange as power transmission shaft；Described operation power transmission shaft is divided into a rotation section and a fixed part, institute State and between rotation section and described fixed part, be provided with bearing, the fixed part of described operation power transmission shaft passes through described corrugated tube and described method Orchid, described fixed part is flexibly connected with described rotation section, and when described fixed part translation, described fixed part is same with described rotation section Shi Pingdong；Described rotation section rotates with respect to described fixed part, and when described rotation section rotates, described fixed part does not turn therewith Dynamic.
2. chopper auxiliary member according to claim 1 it is characterised in that：Described corrugated tube two ends are tightly connected respectively Described flange and described fixed part outer wall.
3. chopper auxiliary member according to claim 2 it is characterised in that：The part axis body of described fixed part is solid Body.
4. chopper auxiliary member according to claim 3 it is characterised in that：Described sylphon seal connects described fixation The outer wall of portion's solid part.
5. chopper auxiliary member according to claim 4 it is characterised in that：Described corrugated tube is solid with described fixed part The connected mode of the outer wall of body portion is welding.
6. according to the arbitrary described chopper auxiliary member of claim 2 or 5 it is characterised in that：Described corrugated tube is compressible 's.
7. chopper auxiliary member according to claim 6 it is characterised in that：When described operation transmission shaft driven chopper During divide-shut brake action, described operation power transmission shaft is to move left and right, and described corrugated tube is because its sealing welding is in flange and described operation A sealing buffer area is defined between power transmission shaft.
CN201310684312.4A 2013-09-12 2013-12-14 A kind of chopper auxiliary member Active CN104051199B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310684312.4A CN104051199B (en) 2013-09-12 2013-12-14 A kind of chopper auxiliary member

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2013104139470 2013-09-12
CN201310413947 2013-09-12
CN201310413947.0 2013-09-12
CN201310684312.4A CN104051199B (en) 2013-09-12 2013-12-14 A kind of chopper auxiliary member

Publications (2)

Publication Number Publication Date
CN104051199A CN104051199A (en) 2014-09-17
CN104051199B true CN104051199B (en) 2017-03-08

Family

ID=50817853

Family Applications (20)

Application Number Title Priority Date Filing Date
CN201710690065.7A Active CN107528250B (en) 2013-09-12 2013-11-18 Switch cabinet
CN201310573470.2A Active CN104051970B (en) 2013-09-12 2013-11-18 Heat dissipation component for switching equipment
CN201310572148.8A Active CN104037640B (en) 2013-09-12 2013-11-18 A kind of secret switch cabinet
CN201310572157.7A Active CN104466765B (en) 2013-09-12 2013-11-18 A kind of switchgear moves stent with staged
CN201320724856.4U Expired - Fee Related CN203774640U (en) 2013-09-12 2013-11-18 Switch cabinet body
CN201320746450.6U Expired - Lifetime CN203631401U (en) 2013-09-12 2013-11-18 Earthing switch for switch device
CN201310577024.9A Withdrawn CN104465195A (en) 2013-09-12 2013-11-18 Earthing switch for switch equipment
CN201320723692.3U Expired - Fee Related CN203859433U (en) 2013-09-12 2013-11-18 Switch cabinet
CN201320728034.3U Expired - Fee Related CN203632054U (en) 2013-09-12 2013-11-18 Step-type mobile support for switchgear
CN201320727984.4U Expired - Fee Related CN203632033U (en) 2013-09-12 2013-11-18 Heat radiation assembly for switchgear
CN201310573695.8A Active CN104051975B (en) 2013-09-12 2013-11-18 Breaker assembly
CN201310680107.0A Active CN104037641B (en) 2013-09-12 2013-11-18 A kind of switch cubicle
CN201320750037.7U Expired - Fee Related CN203690768U (en) 2013-09-12 2013-11-18 Sealed type switch cabinet
CN201310598378.1A Active CN104037624B (en) 2013-09-12 2013-11-18 A kind of switch cabinet body
CN201711234690.7A Active CN107919628B (en) 2013-09-12 2013-11-18 Stepped movable support for switch cabinet
CN201320725395.2U Expired - Fee Related CN203690782U (en) 2013-09-12 2013-11-18 Breaker assembly
CN201320732312.2U Expired - Fee Related CN203859430U (en) 2013-09-12 2013-11-19 Interlocking assembly for switch cabinet
CN201310585080.7A Active CN104037636B (en) 2013-09-12 2013-11-19 A kind of interlock assembly for switch cubicle
CN201320825808.4U Expired - Fee Related CN203707049U (en) 2013-09-12 2013-12-14 Auxiliary member for circuit breaker
CN201310684312.4A Active CN104051199B (en) 2013-09-12 2013-12-14 A kind of chopper auxiliary member

Family Applications Before (19)

Application Number Title Priority Date Filing Date
CN201710690065.7A Active CN107528250B (en) 2013-09-12 2013-11-18 Switch cabinet
CN201310573470.2A Active CN104051970B (en) 2013-09-12 2013-11-18 Heat dissipation component for switching equipment
CN201310572148.8A Active CN104037640B (en) 2013-09-12 2013-11-18 A kind of secret switch cabinet
CN201310572157.7A Active CN104466765B (en) 2013-09-12 2013-11-18 A kind of switchgear moves stent with staged
CN201320724856.4U Expired - Fee Related CN203774640U (en) 2013-09-12 2013-11-18 Switch cabinet body
CN201320746450.6U Expired - Lifetime CN203631401U (en) 2013-09-12 2013-11-18 Earthing switch for switch device
CN201310577024.9A Withdrawn CN104465195A (en) 2013-09-12 2013-11-18 Earthing switch for switch equipment
CN201320723692.3U Expired - Fee Related CN203859433U (en) 2013-09-12 2013-11-18 Switch cabinet
CN201320728034.3U Expired - Fee Related CN203632054U (en) 2013-09-12 2013-11-18 Step-type mobile support for switchgear
CN201320727984.4U Expired - Fee Related CN203632033U (en) 2013-09-12 2013-11-18 Heat radiation assembly for switchgear
CN201310573695.8A Active CN104051975B (en) 2013-09-12 2013-11-18 Breaker assembly
CN201310680107.0A Active CN104037641B (en) 2013-09-12 2013-11-18 A kind of switch cubicle
CN201320750037.7U Expired - Fee Related CN203690768U (en) 2013-09-12 2013-11-18 Sealed type switch cabinet
CN201310598378.1A Active CN104037624B (en) 2013-09-12 2013-11-18 A kind of switch cabinet body
CN201711234690.7A Active CN107919628B (en) 2013-09-12 2013-11-18 Stepped movable support for switch cabinet
CN201320725395.2U Expired - Fee Related CN203690782U (en) 2013-09-12 2013-11-18 Breaker assembly
CN201320732312.2U Expired - Fee Related CN203859430U (en) 2013-09-12 2013-11-19 Interlocking assembly for switch cabinet
CN201310585080.7A Active CN104037636B (en) 2013-09-12 2013-11-19 A kind of interlock assembly for switch cubicle
CN201320825808.4U Expired - Fee Related CN203707049U (en) 2013-09-12 2013-12-14 Auxiliary member for circuit breaker

Country Status (1)

Country Link
CN (20) CN107528250B (en)

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