CN203859430U - Interlocking assembly for switch cabinet - Google Patents

Interlocking assembly for switch cabinet Download PDF

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Publication number
CN203859430U
CN203859430U CN201320732312.2U CN201320732312U CN203859430U CN 203859430 U CN203859430 U CN 203859430U CN 201320732312 U CN201320732312 U CN 201320732312U CN 203859430 U CN203859430 U CN 203859430U
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CN
China
Prior art keywords
switch cubicle
interlock
gear
assembly
statement
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.)
Expired - Fee Related
Application number
CN201320732312.2U
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Chinese (zh)
Inventor
袁茂银
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Individual
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Individual
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Publication date
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Priority to CN201320732312.2U priority Critical patent/CN203859430U/en
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Publication of CN203859430U publication Critical patent/CN203859430U/en
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Expired - Fee Related 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
    • 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
    • H02B1/26—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
    • 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)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Trip Switchboards (AREA)

Abstract

The utility model provides an interlocking assembly for a switch cabinet. The switch cabinet at least includes a circuit breaker assembly. When the circuit breaker assembly is moved out of or in the switch cabinet, the interlocking assembly encloses or opens the opening that is formed by removing the circuit breaker out of the switch cabinet. Compared with the prior art, the provided interlocking assembly has the following beneficial effects: the interlocking protection function is reliable and stable; the safety coefficient is high; the switch cabinet can be sealed automatically when the circuit breaker assembly is pushed in or pulled out of the switch cabinet, thereby ensuring the environment isolation inside and outside the switch cabinet.

Description

A kind of interlock assembly for switch cubicle
Technical field
The utility model relates to a kind of interlock, specifically, relates to a kind of interlock assembly for switch cubicle, belongs to electric equipment technical field.
Background technology
High-tension switch cabinet is for realizing electric power system generating, transmission of electricity, distribution, electric energy conversion and having consumed the electric equipment products that break-make, control or protection etc. act on.High-voltage switch gear manufacturing industry is the manufacturing important component part of power transmission and transforming equipment, occupies very important status in whole power industry.
The high-tension switch cabinet (killer switch cabinet) of domestic and international 6～40.5KV mainly contains fixed switching cabinet (fixedly cabinet), middle or withdraw-type switch cabinet (handcart cabinet), gas-filled type cabinet (gas-filling cabinet) and solid insulation switch cabinet at present, and above-mentioned various high-tension switch cabinets respectively have pluses and minuses.
No matter that fixedly cabinet or handcart cabinet are open, be that the interior switchgear of cabinet and link are all directly exposed in atmosphere, shell protection grade is low, poor for applicability, more responsive to ambient air quality, the service conditions in very difficult applicable south China, coastal area and the filthy harsh place of underground condensation.Because be provided with louvre or radiator fan, air circulates in power distribution cabinet, is easily subject to dust, humid air to affect performance simultaneously, more easily causes equipment oxidation and surface insulation performance to reduce, thereby shortens the useful life of equipment.
Switch cubicle there will be various problems in running, and while at this moment needing the maintenance to switch cubicle, maintainer's personal safety just attracts great attention.At present just for switch cubicle, propose five anti-concepts, particularly for middle or withdraw-type switch cabinet (handcart cabinet), technical standard requires as follows: 1, prevent from dividing and closing circuit breaker by mistake by mistake; 2, preventing that on-load deciliter upper and lower isolating switch or on-load from pushing pulls out circuit breaker cart; 3, prevent hot line job earthed switch or hang temporary ground wire; Power transmission while 4, preventing with temporary ground wire or earthed switch combined floodgate; 5, prevent people's mistakenly entering charged chamber.
The guard screen of the handcart switch cabinet on market is manual now, after handcart is pulled out completely, the guard screen of the contact of three-phase up and down in switch cubicle just falls, when handcart need to push in switch cubicle, need manually guard screen to be mentioned, during like this with portable dividing plate, the position of hand is too forward, the safe distance of operating personnel and live part is inadequate like this, there is Personal Risk, the dynamics of carrying dividing plate after too leaning on is inadequate again, guard screen can be unable to lift again, on the other hand, switchgear in switch cubicle and link will be directly exposed in atmosphere for some time, equipment in switch cubicle is easily subject to dust like this, humid air affects performance, reduction of service life.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of interlock assembly for switch cubicle, interlock is reliable and stable, coefficient of safety is high, and can be at breaker assembly the propelling in switch cubicle and while pulling out, automatically by switch cubicle sealing, guarantee the environment isolation that switch cubicle is inside and outside.
For achieving the above object, the utility model provides a kind of interlock assembly for switch cubicle, wherein:
Switch cubicle at least comprises a switch gear room, a mechanism chamber and a breaker assembly, between switch gear room and mechanism chamber, is provided with an opening; Breaker assembly 7 is built in switch gear room 4 and mechanism chamber 2, and runs through described opening;
When breaker assembly shifts out or move into switch cubicle, interlock assembly is by described closure of openings or opening;
Described interlock assembly comprises STATEMENT OF FEDERALLY SPONSORED, roller shutter, locking piece and transfer car(buggy), by transfer car(buggy) by the locking of locking piece and switch cubicle after, start described STATEMENT OF FEDERALLY SPONSORED, by with the synkinematic described roller shutter of STATEMENT OF FEDERALLY SPONSORED by described closure of openings or opening.
Preferably, described STATEMENT OF FEDERALLY SPONSORED comprises is located at respectively the first indoor STATEMENT OF FEDERALLY SPONSORED of mechanism, the second STATEMENT OF FEDERALLY SPONSORED and the clutch part on transfer car(buggy), between described the first STATEMENT OF FEDERALLY SPONSORED and the second STATEMENT OF FEDERALLY SPONSORED, by described clutch part transmission, moves.
Preferably, described the first STATEMENT OF FEDERALLY SPONSORED comprises the first rotating shaft, the first chain, the first gear, the first drive shaft, the first travelling gear a, the first driving chain and the first travelling gear b that connects successively interlock; And described the first travelling gear is connected with clutch part; Described roller shutter is installed in described switch cubicle by two disc springs at the two ends of the first rotating shaft.
Preferably, the linkage process of the first STATEMENT OF FEDERALLY SPONSORED is: as the clutch part first travelling gear a that links, the first travelling gear a drives to the first travelling gear b by the first driving chain, the first travelling gear b continues to drive to the first gear of the first drive shaft both sides by the first drive shaft, again through first gear train transmission the first chain, again through first chain drive the first rotating shaft, thereby realize the motion downward or upward of roller shutter.
Preferably, described the first chain is by three the first gears triangle that meets at right angles, during the complete drops down of described roller shutter and the right-angle side of this right-angled triangle overlapping; And described the first drive shaft two ends connect respectively a pair of described the first gear.
Preferably, described clutch part comprises trundle and the clutching member that coordination connects, and described clutching member is connected with the first travelling gear a.
Preferably, described the second STATEMENT OF FEDERALLY SPONSORED comprises the second travelling gear, second driving shaft, the second chain, the second rotating shaft and second gear of connection for transmission successively, and the two ends of wherein said the second rotating shaft connect the second gear a and the second gear b with the second rotating shaft coaxial transmission.
Preferably, the linkage process of the second STATEMENT OF FEDERALLY SPONSORED is: when tooth bar moves to the certain position of transfer car(buggy) with breaker assembly will with the second gear a engagement, tooth bar continue with breaker assembly motion transmission and the second gear a and with the second gear a together the second gear b of the second rotating shaft, the second chain passes to second driving shaft by the motion of the second gear b, second driving shaft drives the second travelling gear, the second travelling gear transmission clutch part.
Preferably, described breaker assembly is also provided with a tooth bar, and when tooth bar and the second gear a engaged transmission, described the second STATEMENT OF FEDERALLY SPONSORED is moved with breaker assembly is same; The move distance of described the second STATEMENT OF FEDERALLY SPONSORED should be not less than the development distance of roller shutter.
More preferably, the second gear a diameter of described tooth bar engagement is less than the second gear b.
Preferably, described locking piece comprises securing rod, stop pin and lock hole, described lock hole is a pair of and is arranged at respectively on the cabinet body frame of mechanism chamber, described stop pin is connected with one end of securing rod, described stop pin and securing rod are similarly a pair of and are positioned on transfer car(buggy), and the shape of described stop pin is mated with lock hole; The spacing at the spacing of described two securing rod center lines and two lock hole centers equates; The other end of described securing rod is also provided with cam handle, and described cam handle is connected with securing rod pivotable.
Preferably, described transfer car(buggy) comprises a car body and supports the wheel that car body moves; On described car body, both sides are equipped with transfer car(buggy) guide rail, the indoor guide rail of described transfer car(buggy) guide rail and mechanism is located in the same horizontal plane, and the spacing of two described transfer car(buggy) guide rails equates with two guide rail spacing of mechanism indoor, the length of described transfer car(buggy) guide rail is not less than the length of breaker assembly.
More preferably, at described securing rod, run through baffled under the two ends of transfer car(buggy) guide rail; Described securing rod overcoat one spring, described spring is placed in baffle plate and is fixed between another baffle plate on securing rod.
Preferably, between described breaker assembly and transfer car(buggy), be also provided with fixing hole and the steady pin of a pair of coupling; Described fixing hole is located on transfer car(buggy), and described steady pin is located on the operating parts of breaker assembly.
Preferably, described interlock assembly also comprises for ending the locking auxiliary element of described interlock assembly motion; Described auxiliary lock rationed marketing is inserted in the first chain of described the first STATEMENT OF FEDERALLY SPONSORED to end the motion of the first chain and is realized and end described linkage unit motion.
More preferably, described locking auxiliary element is located on the described switch cubicle inwall consistent with the lock hole height of described locking piece, and comprises auxiliary lock rationed marketing and auxiliary lock rationed marketing control lever; One end of described auxiliary lock rationed marketing control lever is flexibly connected with described switch cubicle inwall, and realizes the described locking auxiliary element inwall direction of close described switch cubicle all the time by a spring of being located at active connection place; The other end of described auxiliary lock rationed marketing control lever is fixedly connected with described auxiliary lock rationed marketing.
Compared with prior art, a kind of interlock assembly for switch cubicle that the utility model provides, interlock is reliable and stable, coefficient of safety is high, at breaker assembly, in switch cubicle, advance and pull out, automatically by switch cubicle sealing, guaranteeing the environment isolation that switch cubicle is inside and outside.Different from existing five anti-interlock assemblies is, the protective effect of the interlock assembly that the utility model provides is to follow breaker assembly to shift out switch cubicle to move to other devices, during as transfer car(buggy), interlock is started to a series of interlock with breaker assembly motion automatically seals switch cubicle, avoid dangerous and occur, by the environment isolation inside and outside switch cubicle; The equipment in switch cubicle that simultaneously prevents is subject to dust, humid air to affect performance, reduction of service life.
Accompanying drawing explanation
The front view of the interlock assembly that Fig. 1 provides for the utility model;
The principles and structure schematic diagram of the interlock assembly that Fig. 2 provides for the utility model;
The principles and structure schematic diagram of the interlock assembly that Fig. 3 provides for the utility model
STATEMENT OF FEDERALLY SPONSORED (A-A) partial enlarged drawing of the interlock assembly that Fig. 4 provides for the utility model;
The second STATEMENT OF FEDERALLY SPONSORED and clutch part (B-B) partial enlarged drawing of the interlock assembly that Fig. 5 provides for the utility model;
Locking piece (C-C) partial enlarged drawing of the interlock assembly that Fig. 6 provides for the utility model;
The job step flow chart of the interlock assembly that Fig. 7 provides for the utility model;
The auxiliary original paper structural representation of locking of the interlock assembly that Fig. 8 provides for the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing to the utility model do further in detail, intactly explanation.
For structure and the operation principle of this interlock assembly are described, the inventor's the switch cabinet structure of another patent application of take is example explanation, but it should be noted that this interlock assembly is only not limited to, in the switch cubicle of the type, uses.
Switch cubicle is an indoor switch cabinet, as shown in Figure 1, switch cubicle is console mode assembling cabinet body structure, it comprises bus-bar room 0, control room 1 (low-pressure chamber), mechanism chamber 2, cable vault 3, switch gear room 4 and pressure release passage 5, particularly, control room 1, mechanism chamber 2 and cable vault 3 form the front cabinet A of switch cubicle, and bus-bar room 0, switch gear room 4 and pressure release passage 5 form the rear cabinet B of switch cubicle; The bottom of front cabinet A and rear cabinet B flushes and is positioned in ground or other planes, and the opposite face cabinet wall of front cabinet A and rear cabinet B is fitted and is flexibly connected into this switch cubicle use state or factory state; For the clear and concise and to the point further structure of describing this switch cubicle, by the opposite face of front cabinet A and rear cabinet B laminating be called front cabinet A after (the cabinet wall of this face is referred to as rear wall), the opposite face that rear cabinet B and front cabinet A are fitted be called rear cabinet B before (the cabinet wall of this face is referred to as antetheca).Laminating is preferably seamless applying, and movable component is preferably bolt.In front cabinet A, be followed successively by control room 1, mechanism chamber 2 and cable vault 3 from top to bottom, in rear cabinet B, be followed successively by bus-bar room 0, switch gear room 4 and pressure release passage 5 from top to bottom.Switch cabinet body can select cabinet body frame and dividing plate, panel combination to install, or adopts the combination of difference in functionality chamber district customization cabinet to install; As a kind of preferably execution mode, front cabinet A adopts frame cabinet body and dividing plate and panel combination to install or installed and formed by recombinant after each functional compartments district cabinet of panel amalgamation, and front cabinet A after be open state; Bus-bar room 0 in rear cabinet B and switch gear room 4 adopt sealing or the combination of non-enclosed cabinet to install.In switch gear room 4, be followed successively by upper incoming line insulation subgroup 6, breaker assembly 7, earthed switch 8 and lower outlet insulator group 9 from top to bottom.The upper static contact 10 (or moving contact) of isolating switch is independently connected with one end of upper incoming line insulation subgroup 6 respectively, lower fixed contact 11 (or moving contact) is independently connected with earthed switch group 8 respectively, and moving contact 12 (or fixed contact) difference of isolating switch is the two ends of connecting breaker assembly 7 independently; Concrete distribution the on-fixed of the dynamic/static contact of isolating switch, can select according to the actual requirements herein.Branch bus connects respectively lower outlet insulator and earthed switch (in figure, omit and be connected) herein.When the moving contact at pole two ends is respectively with upper static contact and lower fixed contact when closed, isolating switch closes a floodgate, and in switch cubicle, isolating switch is channel status (when breaker closing, cabinet inner looping is channel status).Further, the top of Hai Ke control room 1 is provided with a little bus-bar room 13, for the little bus of arranging.The front cabinet A of switch cubicle and each functional compartments district in rear cabinet B are staged and distribute, in other words, as shown in Figure 1, the end face of bus-bar room 0 flushes with the end face of control room 1, the bottom surface of bus-bar room 0 (end face of switch gear room 4) is higher than the bottom surface of control room 1, the end face of switch gear room 4 is lower than the end face of control room 1 but higher than 1 bottom surface (2 end faces of mechanism chamber) of control room, the bottom surface of switch gear room 4 (end face of pressure release passage 5) is lower than the bottom surface (end face of cable vault 3) of mechanism chamber 2, and the bottom surface of pressure release passage 5 (bottom surface of rear cabinet B) flushes with the bottom surface (bottom surface of front cabinet A) of cable vault 3.In order to reduce switch cubicle cost simplified structure, pressure release passage 5 can be realized by being installed on the relief valve of switch gear room's 4 inner bottom surfaces or end face; And be preferably stainless steel and make metallic support.2 of switch gear room 4 and mechanism chambers are provided with an opening 14, be that mechanism chamber 2 plane relative with rear cabinet B is provided with one first opening, switch gear room 4 plane relative with front cabinet A is provided with one second opening (not marking in figure), the bottom of the second opening is not less than the top of the first opening higher than the bottom of the first opening and the top of the second opening, the area of the first opening is greater than the area of the second opening; In other words, the bottom of the bottom of the first opening and the second opening forms a step 15, and switch gear room 4 communicates by the first opening and the second opening with mechanism chamber 2.Breaker assembly 7 is built in switch gear room 4 and mechanism chamber 2, and runs through the first opening and the second opening.As a kind of preferred implementation, to realize less production process, reduce welding sequence, this switch cubicle can be selected panel splicing, or folding panel (folding panel forms 4 faces at the most) is rear and panel splicing forms.The formation manufacturing process of the second opening be take above-mentioned switch cubicle as example explanation.The second opening is formed by sidewall and/or the antetheca of switch gear room 4.A kind of generation type of the second opening is, the roof of the opposing sidewalls folding panel Hou Yu switch gear room of switch gear room 4 and diapire are around forming the second opening, the left side wall that is switch gear room 4 is folded to form to the right, the right side wall of switch gear room 4 is to left folding, coordinate simultaneously the roof of switch gear room 4 and diapire around, form like this second opening.A kind of generation type of the second opening is, the antetheca of switch gear room 4 is removed material and formed, and the area of removing material is the size of the second opening.The second opening also can be by above-mentioned two kinds of modes in conjunction with forming.The welding manner of this metal fixing and the second opening depends on the formation technique of the second opening, this metal fixing optionally weld switch gear room 4 two side, antetheca and or roof and diapire.As a kind of preferably welding manner, this metal fixing is welded on switch gear room's 4 sidewalls and/or is bent on the limit forming by sidewall.
As shown in Figure 1, breaker assembly 7, except comprising its support 701, circuit breaker 702 and operating parts 703, also comprises a seal 704; With Y-direction, for from left to right, breaker assembly is from left to right successively by support 701 connecting breakers 702, seal 704 and operating parts 703.Circuit breaker 702 is preferably three-phase vacuum breaker pole and pole two ends are respectively equipped with a pair of or two pairs of moving contacts 12.
In order to make this switch cubicle as the splendid high-tension switch cabinet of security performance, inventor provides in 29 application of the high interlock assembly of a kind of coefficient of safety and switch cubicle, the protective effect that interlock assembly 29 wishs realize is while following breaker assembly 7 to shift out switch cubicle to move to transfer car(buggy) 33, interlock is started to a series of interlock with breaker assembly 7 motions automatically by the second closure of openings, avoid dangerous and occur, by the environment isolation inside and outside switch cubicle; The equipment in switch cubicle that simultaneously prevents is subject to dust, humid air to affect performance, reduction of service life.
Referring to figs. 2 and 3 shown in, interlock assembly 29 comprises STATEMENT OF FEDERALLY SPONSORED 30 and locking piece 31; Fig. 4 is STATEMENT OF FEDERALLY SPONSORED 30 (A-A) partial enlarged drawing that is applied to the interlock assembly 29 of switch cubicle, as shown in Figure 4, STATEMENT OF FEDERALLY SPONSORED 30 comprises between the first STATEMENT OF FEDERALLY SPONSORED 32, the second STATEMENT OF FEDERALLY SPONSORED 34 on transfer car(buggy) 33 (accurately shifting out or move into switch cubicle for auxiliary circuit breaker assembly 7) and clutch part 35, the first STATEMENT OF FEDERALLY SPONSORED 32 and the second STATEMENT OF FEDERALLY SPONSORED 34 of being located at respectively in mechanism chamber 2 transmits action by clutch part 35.As a kind of preferably execution mode, sealing the second opening can move downward by the synchronized movement with breaker assembly 7 and the roller shutter of the second closure of openings 36 is realized, so the developed area of roller shutter 36 is not less than the second aperture area.And the better embodiment being synchronized with the movement is fixing by locking piece 31 lockings by transfer car(buggy) 33 and switch cubicle; now thereby clutch part 35 is realized two action interlocks between STATEMENT OF FEDERALLY SPONSORED by the motion of transmitting the first STATEMENT OF FEDERALLY SPONSORED 32 to the second STATEMENT OF FEDERALLY SPONSORED 34; again by motion actuated second STATEMENT OF FEDERALLY SPONSORED 34 of breaker assembly 7; second STATEMENT OF FEDERALLY SPONSORED 34 interlock the first STATEMENT OF FEDERALLY SPONSORED 32; roller shutter 36 moves downward with the interlock of the first STATEMENT OF FEDERALLY SPONSORED 32, completes the safeguard protection effect of sealing the second opening.
Shown in figure 4, wherein a kind of preferably execution mode of the first STATEMENT OF FEDERALLY SPONSORED 32 in mechanism chamber 2 is: the first STATEMENT OF FEDERALLY SPONSORED 32 comprises the first rotating shaft 3201, the first chain 3202, the first gear 3203, the first drive shaft 3204, the first travelling gear a3205a, the first driving chain 3206 and the first travelling gear b3207b that connects successively interlock; And the first travelling gear a3205a is connected with clutch part 35; Roller shutter 36 is by being installed on two disc springs 3601 at the two ends of the first rotating shaft 3201, therefore the first rotating shaft 3201 motions are by the motion up or down of transmission roller shutter 36.In order to make the roller shutter 36 can easy motion, the first chain 3202 be preferably a pair of, and each first chain 3202 is by three the first gears 3203 triangle that meets at right angles, during roller shutter 36 complete drops down and the right-angle side of this right-angled triangle overlapping; And the first drive shaft 3204 two ends connect respectively a pair of the first gear 3203, be preferably a pair of the first gear 3203, the first travelling gear b3207b and same the first power transmission shaft 3204 (in figure, the first travelling gear b3207b overlaps with the first gear 3203 projections) of a pair of the first gear 3203 that connect the acute angle place of horizontal sides in right-angled triangle.The linkage process of the first STATEMENT OF FEDERALLY SPONSORED 32 is: as clutch part 35 interlock the first travelling gear a3205a, the first travelling gear a3205a drives to the first travelling gear b3207b by the first driving chain 3206, the first travelling gear b3207b continues to drive to the first gear 3203 of the first drive shaft 3204 both sides by the first drive shaft 3204, again through 3203 groups of transmissions of the first gear the first chain 3202, again through first chain 3202 transmission the first rotating shafts 3201, thereby realize the motion downward or upward of roller shutter 36.
Shown in figure 5, Fig. 5 is the partial enlarged drawing of clutch part 35 (B-B), and as shown in Figure 5, clutch part 35 comprises trundle 3501 and the clutching member 3502 that coordination connects, and clutching member 3502 is connected with the first travelling gear a3205a.When 33 locking of switch cabinet body and transfer car(buggy), trundle 3501 inserts that clutching member 3502 is interior realizes closing of clutch part 35, thereby realizes the transmission between the first STATEMENT OF FEDERALLY SPONSORED 30 and the second STATEMENT OF FEDERALLY SPONSORED 34, can realize the motion downward or upward of roller shutter 36.
Shown in figure 5, Fig. 5 is partial enlarged drawing a kind of preferably execution mode of the second STATEMENT OF FEDERALLY SPONSORED 34 on transfer car(buggy) 33 wherein of the second STATEMENT OF FEDERALLY SPONSORED 34 (B-B); As shown in Figure 5, the second STATEMENT OF FEDERALLY SPONSORED 34 comprises the second travelling gear 3401, second driving shaft 3402, the second chain 3403, the second rotating shaft 3404 and second gear 3405 of connection for transmission successively, and wherein the two ends of the second rotating shaft 3404 connect the second gear a3405a and the second gear b3405b with the second rotating shaft 3404 coaxial transmissions; In addition, in order to realize interlock assembly 29 and the same motion of breaker assembly 7, breaker assembly 7 also comprises the tooth bar 37 being located on auxiliary stand 28, when tooth bar 37 and the second gear a3405a engaged transmission, and the second 34 of STATEMENT OF FEDERALLY SPONSORED and the same motion of breaker assembly 7.The linkage process of the second STATEMENT OF FEDERALLY SPONSORED 34 is: when tooth bar 37 moves to the certain position of transfer car(buggy) 33 with breaker assembly 7 will with the second gear a3405a engagement, tooth bar 37 continue with breaker assembly 7 motion transmission and the second gear a3405a and with the second gear a3405a together the second gear b3405b of the second rotating shaft 3404, the second chain 3403 passes to second driving shaft 3402 by the motion of the second gear b3405b, second driving shaft 3402 drives the second travelling gear 3401, the second travelling gear 3401 transmission clutch parts 35.Wherein, it should be noted in the discussion above that tooth bar 37 drives the move distance of interlock assembly 29, especially the move distance of the second STATEMENT OF FEDERALLY SPONSORED 34 should be not less than the development distance of roller shutter 36; In order to save the volume of each element, can realize by the second gear 3405 of different-diameter, be less than the second gear b3405b with the second gear a3405a diameter of tooth bar 37 engagements.
Fig. 6 is locking piece 31 (C-C) partial enlarged drawing that is applied to the interlock assembly of switch cubicle; As shown in Fig. 4-5, locking piece 31 comprises securing rod 3101, stop pin 3102 and lock hole 3103.Lock hole 3103 is a pair of and is arranged at respectively on the cabinet body frame of mechanism chamber 2.Stop pin 3102 is connected with one end of securing rod 3101, and stop pin 3102 and securing rod 3101 are similarly a pair of and are positioned on transfer car(buggy) 33, and the shape of stop pin 3102 is mated with lock hole 3103.The spacing of two securing rods 3101 (stop pin 3102) center line and the spacing at two lock hole 3103 centers equate.The other end of securing rod 3101 is also provided with cam handle 3104, and cam handle 3104 is connected with securing rod 3101 pivotables.
Transfer car(buggy) 33 comprises a car body 3301 and supports the wheel 3302 that car body moves; On car body, both sides are equipped with transfer car(buggy) guide rail 3303, transfer car(buggy) guide rail 3303 is located in the same horizontal plane with the guide rail 201 in mechanism chamber 2, and the spacing of two transfer car(buggy) guide rails 3303 equates with two guide rail 201 spacing of 2 inner sides, mechanism chamber, the length of transfer car(buggy) guide rail 3303 is not less than the length of breaker assembly 6.As a kind of preferably execution mode, in order better to realize transfer car(buggy) guide rail 3303, reliably contact to realize seamless connecting with cabinet guide rail 201, securing rod 3101 is run through to the baffle plate 3304 that transfer car(buggy) guide rail 3303 two ends divide into.When needs are realized above-mentioned seamless connecting, first by cam handle 3104 left-right rotation securing rods 3101, thereby drive stop pin 3102 to rotate, make itself and lock hole 3103 overlapping, transfer car(buggy) 33 and switch cubicle are locked; Again cam handle 3104 is pressed downwards, because baffle plate 3304 is fixing not movable, moving downward of cam handle 3104 will make securing rod 3101 can further the gap between stop pin 3102 locking cabinets and transfer car(buggy) 33 be eliminated to pulling away from switch cubicle direction.In order to make securing rod 3101 can reset to prepare to lock next time, securing rod 3101 overcoat one springs 31012, spring 31012 is placed in baffle plate 3304 and is fixed between another baffle plate 31011 on securing rod 3101.In addition, 33 of breaker assembly 7 and transfer car(buggy)s are also provided with fixing hole 38 and the steady pin 39 of a pair of coupling, for further firm breaker assembly 7; Fixing hole 38 is located on transfer car(buggy) 33, and steady pin 39 is located on the operating parts 703 of breaker assembly 7.
Fig. 7 is the job step flow chart that is applied to the interlock assembly of switch cubicle, as shown in Figure 7, the motion flow of this interlocking is: when tooth bar 37 moves to the certain position of transfer car(buggy) 33 with breaker assembly 7 will with the second gear a3405a engagement, tooth bar 37 continues with breaker assembly 7 motion transmission and the second gear a3405a and the second gear b3405b coaxial with the second gear a3405a, the second chain 3403 passes to second driving shaft 3402 by the motion of the second gear b3405b, second driving shaft 3402 drives the second travelling gear 3401, the second travelling gear 3401 transmission clutch parts 35, as clutch part 35 interlock the first travelling gear a3205a, the first travelling gear a3205a drives to the first travelling gear b3207b by the first driving chain 3206, the first travelling gear b3207b continues to drive to the first gear 3203 of the first drive shaft 3204 both sides by the first drive shaft 3204, again through 3203 groups of transmissions of the first gear the first chain 3202, again through first chain 3202 transmission the first rotating shafts 3201, thereby realize the motion downward or upward of roller shutter 36.
In order to guarantee that breaker assembly 7 moves to after transfer car(buggy) 33 completely, roller shutter 36 can not make progress retraction and cause the second opening to be still open state under the rebound effect of disc spring 3601 (not showing in figure), inventor further provides a kind of locking auxiliary element 40, by locking in auxiliary element 40 insertion the first driving chains 3206, ends linkage action.Fig. 8 is the structural representation of locking auxiliary element 40, as shown in Figure 8, locking auxiliary element 40 is located on cable vault's 3 inwalls highly consistent with the lock hole 3103 of locking piece 31, comprise auxiliary lock rationed marketing 4001 and auxiliary lock rationed marketing control lever 4002, one end of auxiliary lock rationed marketing control lever 4002 is flexibly connected with cable vault's 3 inwalls, and realize locking auxiliary element 40 all the time near the inwall direction of cable vault 3 by a spring of being located at active connection place, the other end of auxiliary lock rationed marketing control lever 4002 is fixedly connected with auxiliary lock rationed marketing 4001.The secondary locking effect of locking auxiliary element 40 is to end the motion of the first chain 3206, to realize in the first chain 3206 by auxiliary lock rationed marketing 4001 insertion the first STATEMENT OF FEDERALLY SPONSORED 32.As preferred embodiment a kind of, when the stop pin 3102 of locking piece 31 inserts lock hole 3103, stop pin 3101 is by auxiliary lock rationed marketing control lever 4002 jack-up simultaneously, now auxiliary lock rationed marketing 4001 can be left the first chain 3206, and now put can be with the motion of breaker assembly 7 safeguard protection of interlocking for interlock assembly; And put down completely and when breaker assembly has left cabinet, by extracting stop pin 3102, auxiliary lock rationed marketing control lever 4002 will drive auxiliary lock rationed marketing 4001 again to end the motion of the first chain 3206 when roller shutter 36.
Finally be necessary described herein: above embodiment is only for being described in more detail the technical solution of the utility model; can not be interpreted as the restriction to the utility model protection range, some nonessential improvement that those skilled in the art makes according to foregoing of the present utility model and adjustment all belong to protection range of the present utility model.

Claims (21)

1. for an interlock assembly for switch cubicle, it is characterized in that, wherein:
Described switch cubicle at least comprises a switch gear room, a mechanism chamber and a breaker assembly, between switch gear room and mechanism chamber, is provided with an opening; Breaker assembly is built in switch gear room and mechanism is indoor, and runs through described opening;
When described breaker assembly shifts out or moves into switch cubicle, described interlock assembly is by described closure of openings or opening;
Described interlock assembly comprises STATEMENT OF FEDERALLY SPONSORED, roller shutter, locking piece and transfer car(buggy), after being locked, starts described STATEMENT OF FEDERALLY SPONSORED by described transfer car(buggy) by described locking piece and switch cubicle, by with the synkinematic described roller shutter of STATEMENT OF FEDERALLY SPONSORED by described closure of openings or opening.
2. the interlock assembly for switch cubicle as claimed in claim 1, it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED comprises is located at respectively the first indoor STATEMENT OF FEDERALLY SPONSORED of mechanism, the second STATEMENT OF FEDERALLY SPONSORED and the clutch part on transfer car(buggy), between described the first STATEMENT OF FEDERALLY SPONSORED and the second STATEMENT OF FEDERALLY SPONSORED, by described clutch part transmission, moves.
3. the interlock assembly for switch cubicle as claimed in claim 2, is characterized in that: described the first STATEMENT OF FEDERALLY SPONSORED comprises the first rotating shaft, the first chain, the first gear, the first drive shaft, the first travelling gear a, the first driving chain and the first travelling gear b that connects successively interlock; And described the first travelling gear is connected with clutch part; Described roller shutter is installed in described switch cubicle by two disc springs at the two ends of the first rotating shaft.
4. the interlock assembly for switch cubicle as claimed in claim 3, is characterized in that: described the first chain is by three the first gears triangle that meets at right angles, during the complete drops down of described roller shutter and the right-angle side of this right-angled triangle overlapping; And described the first drive shaft two ends connect respectively a pair of described the first gear.
5. the interlock assembly for switch cubicle as claimed in claim 3, is characterized in that: described clutch part comprises trundle and the clutching member that coordination connects, and described clutching member is connected with the first travelling gear a.
6. the interlock assembly for switch cubicle as claimed in claim 2, it is characterized in that: described the second STATEMENT OF FEDERALLY SPONSORED comprises the second travelling gear, second driving shaft, the second chain, the second rotating shaft and second gear of connection for transmission successively, the two ends of wherein said the second rotating shaft connect the second gear a and the second gear b with the second rotating shaft coaxial transmission.
7. the interlock assembly for switch cubicle as claimed in claim 6, is characterized in that: described breaker assembly is also provided with a tooth bar.
8. the interlock assembly for switch cubicle as claimed in claim 7, is characterized in that: when described tooth bar and the second gear a engaged transmission, described the second STATEMENT OF FEDERALLY SPONSORED is moved with breaker assembly is same.
9. the interlock assembly for switch cubicle as claimed in claim 6, is characterized in that: the move distance of described the second STATEMENT OF FEDERALLY SPONSORED should be not less than the development distance of roller shutter.
10. the interlock assembly for switch cubicle as claimed in claim 8, is characterized in that: the second gear a diameter of described tooth bar engagement is less than the second gear b.
11. interlock assemblies for switch cubicle as claimed in claim 3, it is characterized in that: described locking piece comprises securing rod, stop pin and lock hole, described lock hole is a pair of and is arranged at respectively on the cabinet body frame of mechanism chamber, described stop pin is connected with one end of securing rod, described stop pin and securing rod are similarly a pair of and are positioned on transfer car(buggy), and the shape of described stop pin is mated with lock hole.
12. interlock assemblies for switch cubicle as claimed in claim 11, is characterized in that: the spacing at the spacing of described two securing rod center lines and two lock hole centers equates.
13. interlock assemblies for switch cubicle as claimed in claim 11, is characterized in that: the other end of described securing rod is also provided with cam handle, described cam handle is connected with securing rod pivotable.
14. interlock assemblies for switch cubicle as claimed in claim 11, is characterized in that: described transfer car(buggy) comprises a car body and supports the wheel that car body moves; On described car body, both sides are equipped with transfer car(buggy) guide rail, the indoor guide rail of described transfer car(buggy) guide rail and mechanism is located in the same horizontal plane, and the spacing of two described transfer car(buggy) guide rails equates with two guide rail spacing of mechanism indoor, the length of described transfer car(buggy) guide rail is not less than the length of breaker assembly.
15. interlock assemblies for switch cubicle as claimed in claim 14, is characterized in that: at described securing rod, run through baffled under the two ends of transfer car(buggy) guide rail.
16. interlock assemblies for switch cubicle as claimed in claim 15, is characterized in that: described securing rod overcoat one spring, described spring is placed in baffle plate and is fixed between another baffle plate on securing rod.
17. interlock assemblies for switch cubicle as claimed in claim 1, is characterized in that: the fixing hole and the steady pin that between described breaker assembly and transfer car(buggy), are also provided with a pair of coupling; Described fixing hole is located on transfer car(buggy), and described steady pin is located on the operating parts of breaker assembly.
18. interlock assemblies for switch cubicle as claimed in claim 11, is characterized in that: described interlock assembly also comprises for ending the locking auxiliary element of described interlock assembly motion.
19. interlock assemblies for switch cubicle as claimed in claim 18, is characterized in that: described locking auxiliary element is located on the described switch cubicle inwall consistent with the lock hole height of described locking piece, and comprise auxiliary lock rationed marketing and auxiliary lock rationed marketing control lever; One end of described auxiliary lock rationed marketing control lever is flexibly connected with described switch cubicle inwall, and realizes the described locking auxiliary element inwall direction of close described switch cubicle all the time by a spring of being located at active connection place; The other end of described auxiliary lock rationed marketing control lever is fixedly connected with described auxiliary lock rationed marketing.
20. interlock assemblies for switch cubicle as claimed in claim 19, is characterized in that: described auxiliary lock rationed marketing is inserted in the first chain of described the first STATEMENT OF FEDERALLY SPONSORED to end the motion of the first chain and realized and end described linkage unit motion.
21. interlock assemblies for switch cubicle as claimed in claim 20, it is characterized in that: when the stop pin of described locking piece inserts lock hole, described stop pin is by described auxiliary lock rationed marketing control lever jack-up simultaneously, the first chain is shifted out in now described auxiliary lock rationed marketing, and described interlock assembly is with the motion of the breaker assembly safeguard protection of interlocking; And put down completely and when described breaker assembly has shifted out or moved into described switch cubicle, by extracting described stop pin, described auxiliary lock rationed marketing control lever will drive described auxiliary lock rationed marketing again to end the motion of described the first chain when described roller shutter.
CN201320732312.2U 2013-09-12 2013-11-19 Interlocking assembly for switch cabinet Expired - Fee Related CN203859430U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320732312.2U CN203859430U (en) 2013-09-12 2013-11-19 Interlocking assembly for switch cabinet

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CN201310413947.0 2013-09-12
CN201310413947 2013-09-12
CN201320732312.2U CN203859430U (en) 2013-09-12 2013-11-19 Interlocking assembly for switch cabinet

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CN203859430U true CN203859430U (en) 2014-10-01

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Family Applications (20)

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

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

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Application Number Title Priority Date Filing Date
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

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CN (20) CN203631401U (en)

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CN203707049U (en) 2014-07-09

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