CN206041307U - Removing type metal enclosing switch cabinet - Google Patents

Removing type metal enclosing switch cabinet Download PDF

Info

Publication number
CN206041307U
CN206041307U CN201620650389.9U CN201620650389U CN206041307U CN 206041307 U CN206041307 U CN 206041307U CN 201620650389 U CN201620650389 U CN 201620650389U CN 206041307 U CN206041307 U CN 206041307U
Authority
CN
China
Prior art keywords
door
plate
contact
type metal
switch cabinet
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
CN201620650389.9U
Other languages
Chinese (zh)
Inventor
周力
梁斌
华杰
张莹
王源山
王亚彬
高汝英
郑晓庆
郑东炜
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.)
Jiangsu Ming And Electric Ltd By Share Ltd
Third Railway Survey and Design Institute Group Corp
Original Assignee
Jiangsu Ming And Electric Ltd By Share Ltd
Third Railway Survey and Design Institute Group Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Ming And Electric Ltd By Share Ltd, Third Railway Survey and Design Institute Group Corp filed Critical Jiangsu Ming And Electric Ltd By Share Ltd
Priority to CN201620650389.9U priority Critical patent/CN206041307U/en
Application granted granted Critical
Publication of CN206041307U publication Critical patent/CN206041307U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model belongs to the technical field of the circuit breaker technique and specifically relates to a removing type metal enclosing switch cabinet, the utility model discloses removing type metal enclosing switch cabinet is each module mutually independent packet type switch cabinet body, be switch gear room and cable chamber mutual independence, certainly, still can install the instrument room additional according to concrete needs, the instrument room also can be independent with each module, only need the corresponding module of dismouting when overhauing, especially, switch gear room's part, often need to overhaul, and adopt the handcart -type circuit breaker to improve dismouting efficiency greatly, furthermore, but contact system is the plug mode to be connected, about adopting, removes first contact the plug mode, the second contact adopts lift plug mode, the cooperation has realized the independent dismouting structure of modularization of handcart -type circuit breaker.

Description

A kind of withdraw type metal enclosed switch cabinet
Technical field
The utility model is related to a kind of withdraw type metal enclosed switch cabinet, belongs to breaker technical field.
Background technology
The cabinet type structure that existing solid insulation ring main unit is integrated, needs when needing to overhaul internal working cell Cabinet integral demounting is opened, is wasted time and energy, especially when breaker is overhauled, it is necessary to cabinet is taken apart, then by breaker Disassemble, assemble and keep in repair all very time-consuming laborious, the workload of attendant is larger, and comparatively laborious.
Utility model content
The purpose of this utility model is the defect for overcoming prior art to exist, there is provided a kind of withdraw type metal enclosed switch Cabinet, is easy to dismounting to safeguard.
The utility model solves the technical scheme adopted by its technical problem:
Withdraw type metal enclosed switch cabinet of the present utility model, including cabinet, is provided with switch gear room in the cabinet, described to open Close and above room, be provided with upper contact head, the side of the switch gear room is provided with lower contact, and the switch interior is removably provided with hand Vehicle type breaker, the handcart type breaker include vacuum interrupter and circuit breaker operation mechanism, the vacuum interrupter and disconnected Road device operating mechanism is incorporated on vehicle frame, and the contact system of the vacuum extinction chamber interior respectively connected the first contact and second Contact, the first contact transverse shifting are set up with the lower contact and are electrically connected, second contact it is vertically movable with it is described on Contact sets up electrical connection.
Cable vault is additionally provided with cabinet described in the utility model, and the cable vault is located at the lower section of the switch gear room, described Be provided with CA cable assembly in cable room, the CA cable assembly includes lower outlet cable, one end of the lower outlet cable with it is described under Contact is electrically connected, and the other end of the lower outlet cable has cable connector.
Top panel is provided with above cable vault described in the utility model, is slidably fitted with horizontal cunning above the top panel Plate, is provided with " C " shape guide rail above the cross slide, the bottom of the vehicle frame is provided with roller, the roller and " C " shape Guide rail coordinates, and it is indoor and can be with cross slide horizontal stroke that the handcart type breaker loads the switch along " C " the shape guide rail To movement.
Operating shaft is rotatably mounted with cable room described in the utility model, and the two ends of the operating shaft are provided with driving tooth Wheel, the top panel are provided with resigning mouth corresponding with the driving gear position, and the cross slide is provided with and the driving tooth The slotted eye that the teeth of wheel coordinate, the operating shaft pass sequentially through driving gear, cross slide and vehicle frame and drive on vacuum interrupter The first contact move left and right.
Top board is provided with above switch gear room described in the utility model, and the upper contact head is fixed on the top board.
Second contact described in the utility model is set up with the upper contact head under the driving of isolation knife and is electrically connected, and described second Contact is fixed on the top of isolation knife, and the isolation knife is arranged on sliding beam, and the two ends of the sliding beam are provided with vertical screw rod, The two ends of the sliding beam are coordinated with the vertical screw flight, and the switch interior is additionally provided with isolation knife operating mechanism, described Isolation knife operating mechanism passes sequentially through screw rod, sliding beam, isolation knife and drives second contact vertically movable.
Grounding assembly is provided with below isolation knife described in the utility model, and the grounding assembly includes being fixed on isolation knife bottom The slip cutter head in portion, the fixed cutter head for being fixed on switch gear room bottom and the conduction clamping plate for being fixed on fixing cutter cephalic par, the cunning In dynamic cutter head clamping conduction clamping plate.
Cabinet described in the utility model is provided with installing port, and the handcart type breaker loads the switch gear room by installing port Interior, the installing port is provided with door-plate, and one end of the door-plate is hinged end, and the hinged end is following with the installing port Frame is hinged, and the other end of the door-plate is free end, and during maintenance, the free end rotates to horizontality, and the handcart-type breaks Road device is extracted out and is carried by the door-plate.
The inner face of door-plate described in the utility model is provided with roller group, and when extracting the handcart type breaker out, its bottom is described Run in roller group, the door-plate is additionally provided with gas spring, and one end of the gas spring is hinged with the door-plate side, the gas bullet The other end of spring is hinged on the side frame of the installing port, and during maintenance, the gas spring is stretched and pulls residence and states door-plate Door-plate is made to keep horizontality.
The two sides of the free end of door-plate described in the utility model are provided with door catch, and the door catch is slidably mounted on described In door-plate, two side frames of the installing port are provided with the pin-and-hole coordinated with the door catch, and it is described that the door-plate is provided with driving The linkage of door catch, the linkage are driven by rotary handle, and the linkage includes being installed in rotation on door The crank of plate inner face, the crank are driven by the rotary handle installed in door-plate lateral surface, two power ends point of the crank Not Tong Guo two traces link with the door catch of door-plate both sides.
The utility model withdraw type metal enclosed switch cabinet has following effect:
1. the utility model withdraw type metal enclosed switch cabinet is the separate packet type switch cabinet of modules, i.e., Switch gear room and cable vault are separate, can also install certainly control room according to specific needs additional, control room also can with each module independence, Need only to dismount corresponding module in maintenance, especially switch gear room part, it is often necessary to overhaul, and adopt handcart-type open circuit Device substantially increases disassembly efficiency;
2. contact system connects for pluggable mode, and the first contact is adopted using pluggable mode, the second contact is moved left and right Lifting pluggable mode, cooperation realize the modularization independence disassembly and assembly structure of handcart type breaker;
3. cabinet is provided with door-plate, and door-plate can be used as inspection platform, need not disassemble handcart type breaker, but Directly handcart type breaker is rested in and overhauled on inspection platform.
Description of the drawings
With reference to the accompanying drawings and detailed description the utility model is described in further detail.
Fig. 1 is the structural representation of withdraw type metal enclosed switch cabinet of the present utility model;
Fig. 2 is handcart type breaker structural representation of the present utility model;
Fig. 3 is cross slide mounting structure schematic diagram of the present utility model;
Fig. 4 is operating shaft mounting structure schematic diagram of the present utility model;
Fig. 5 is isolation knife mounting structure schematic diagram of the present utility model;
Fig. 6 is door panel structure schematic diagram of the present utility model.
Wherein:Cabinet 1;Handcart type breaker 2, vehicle frame 21, the first contact 22, the second contact 23, isolation knife 24, sliding beam 25, screw rod 26;Top panel 31, cross slide 32, operating shaft 33, lower contact 34;Top board 41, upper contact head 42;Slip cutter head 51, Gu Stationary knife head 52, conduction clamping plate 53;Door-plate 6, roller group 61, gas spring 62, linkage 63, door catch 64.
Specific embodiment
In description of the present utility model, it is to be understood that term " radial direction ", " axial direction ", " on ", D score, " top ", The orientation of the instruction such as " bottom ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, merely to just In description the utility model and simplified description, rather than indicate or imply that the device or element of indication there must be specifically side Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.In description of the present utility model In, unless otherwise stated, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection;Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art, Concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
As shown in figures 1 to 6, the withdraw type metal enclosed switch cabinet of the present embodiment includes cabinet 1, is provided with switch in cabinet 1 Room, is provided with upper contact head 42 above switch gear room, the side of switch gear room is provided with lower contact 34, and switch interior is removably provided with hand Vehicle type breaker 2, handcart type breaker 2 include vacuum interrupter and circuit breaker operation mechanism, vacuum interrupter and breaker behaviour Make organization's integration on vehicle frame 21, the static contact of vacuum interrupter electrically connect the first contact 22, the moving contact of vacuum interrupter The second contact 23 is electrically connect, 22 transverse shifting of the first contact is set up with lower contact 34 and electrically connected, and the second contact 23 is vertically movable Set up with upper contact head 42 and electrically connect.Wherein, the arc-extinguishing medium of vacuum interrupter selects vacuum medium, using solid-sealing vacuum arc extinguishing Room, moving contact and static contact are located in vacuum extinction room and constitute contact system, and static contact passes through static conductive rod and the first contact 22 Electrical connection, moving contact is electrically connected with the second contact 23 by moving conductive rod, when 22 transverse shifting of the first contact is built with lower contact 34 Vertical electrical connection, the second contact 23 is vertically movable when electrically connecting with the foundation of upper contact head 42, thus constitutes complete control protection electric circuit.
Cable vault is additionally provided with the cabinet 1 of the withdraw type metal enclosed switch cabinet of the present embodiment, and cable vault is located at switch gear room Lower section, be provided with CA cable assembly in cable room, CA cable assembly includes lower outlet cable, one end of lower outlet cable and lower contact 34 Electrical connection, the other end of lower outlet cable have cable connector.
In order to simplify the process of inspection switch cabinet, this enforcement provides a kind of separate combined type of modules Switch cabinet, i.e. switch gear room and cable vault are separate, can also install certainly control room according to specific needs additional, and control room also can be with Each module independence, needs only to dismount corresponding module in maintenance, especially switch gear room part, it is often necessary to overhaul, and adopt Disassembly efficiency is substantially increased with handcart type breaker 2, is that the electric connection structure of this first contact 22 and the second contact 23 is also made It is correspondingly improved, to coordinate the modularization independence disassembly and assembly structure for realizing handcart type breaker 2.
Wherein, to remove electric connection mode specific as follows for the first contact 22 or so, is provided with top panel 31 above cable vault, Cross slide 32 is slidably fitted with above top panel 31, and the top of cross slide 32 is provided with " C " shape guide rail, and the bottom of vehicle frame 21 sets There is a roller, roller is coordinated with " C " shape guide rail, it is indoor and can be with horizontal that handcart type breaker 2 loads switch along " C " shape guide rail 32 transverse shifting of slide plate, is rotatably mounted with operating shaft 33 in cable room, the two ends of operating shaft 33 are provided with driving gear, above Plate 31 is provided with resigning mouth corresponding with driving gear position, and cross slide 32 is provided with the slotted eye with the teeth cooperation of driving gear, Operating shaft 33 passes sequentially through driving gear, cross slide 32 and vehicle frame 21 and drives the first contact 22 or so on vacuum interrupter to move It is dynamic, when disassembly is desired, the first contact 22 is driven away from lower contact 34 by operating shaft 33, until the first contact 22 and lower contact 34 disconnect, otherwise then drive the first contact 22 near lower contact 34 by operating shaft 33, until the first contact 22 is touched with lower 34 set up electrical connection.
Wherein, the lifting of the second contact 23 electric connection mode is specific as follows, is provided with top board 41, upper contact head 42 above switch gear room It is fixed on top board 41, the second contact 23 is set up with upper contact head 42 under the driving of isolation knife 24 and electrically connected, specifically, second touches 23 tops for being fixed on isolation knife 24, isolation knife 24 are arranged on sliding beam 25, and the two ends of sliding beam 25 are provided with vertical screw rod 26, the two ends of sliding beam 25 are coordinated with 26 screw thread of vertical screw rod, and switch interior is additionally provided with isolation knife operating mechanism, isolation knife operation Mechanism passes sequentially through screw rod 26, sliding beam 25, isolation knife 24 and drives the second contact 23 vertically movable.When disassembly is desired, pass through Isolation knife operating mechanism drives the second contact 23 away from upper contact head 42, until the second contact 23 is disconnected with upper contact head 42, instead The second contact 23 is driven near upper contact head 42 by isolation knife operating mechanism then, until the second contact 23 set up with upper contact head 42 Electrical connection.Isolation knife operating mechanism in the present embodiment is fixed on the top of circuit breaker operation mechanism, moves together with vehicle frame 21.
In order to improve security, grounding assembly below isolation knife, is provided with, grounding assembly includes being fixed on isolation knife bottom Slip cutter head 51, be fixed on the fixed cutter head 52 of switch gear room bottom and be fixed on the conduction clamping plate 53 of 52 end of fixed cutter head, Slip cutter head 51 is clamped in conduction clamping plate 53, and when 24 up combined floodgate of isolation knife, slip cutter head 51 departs from conduction clamping plate 53, connects Ground circuit disconnects, and when 24 descending separating brake of isolation knife, slip cutter head 51 is entered in conduction clamping plate 53, and earthed circuit is connected.
In order to further improve overhaul efficiency, the present embodiment also provides a kind of inspection platform, need not be by handcart type breaker 2 Disassemble, but directly handcart type breaker 2 is rested in and overhauled on inspection platform, specifically, cabinet 1 is provided with installation Mouthful, handcart type breaker 2 is loaded from switch gear room by installing port or extracts maintenance out, and installing port is provided with door-plate 6, one end of door-plate 6 For hinged end, hinged end is hinged with the lower frame of installing port, and the other end of door-plate 6 is free end, free end rotation during maintenance To horizontality, handcart type breaker 2 is extracted out and is carried by door-plate 6.The inner face of door-plate 6 is provided with roller group 61, extracts handcart-type out During breaker 2, its bottom is run in roller group 61, and door-plate 6 is additionally provided with gas spring 62, one end and 6 side of door-plate of gas spring 62 It is hinged, the other end of gas spring 62 is hinged on the side frame of installing port, and during maintenance, gas spring 62 is stretched and pulls door Plate 6 makes door-plate 6 keep horizontality, handcart type breaker 2 to rest in and overhauled on door-plate 6.
For the ease of the door-plate 6 that is locked, the two sides of the free end of door-plate 6 are provided with door catch 64, and door catch 64 slides In door-plate 6, two side frames of installing port are provided with the pin-and-hole coordinated with door catch 64, and door-plate 6 is provided with driving door catch 64 linkage 63, linkage 63 are driven by rotary handle, and linkage 63 includes being installed in rotation on 6 inner face of door-plate Crank, crank driven by the rotary handle installed in 6 lateral surface of door-plate, and two power ends of crank are respectively by two gearings Bar is linked with the door catch 64 of 6 both sides of door-plate, and when rotating rotary handle, crank drives door catch 64 to insert by two traces Or away from pin-and-hole.
The internal conductive elements of the withdraw type metal enclosed switch cabinet of the present embodiment are carried out absolutely using solid insulation body Edge process, the material of solid insulation body include but is not limited to epoxy resin and plastics, substitute hexafluoro using solid insulation mode Change sulphur gas-insulated, sulfur hexafluoride can be avoided to reveal the potential safety hazard brought, and solid insulation is more environmentally-friendly.
It should be appreciated that specific embodiment described above is only used for explaining the utility model, it is not used to limit this reality With new.By spirit of the present utility model it is extended obvious change or change still in protection of the present utility model Among scope.

Claims (10)

1. a kind of withdraw type metal enclosed switch cabinet, including being provided with switch gear room, the switch gear room in cabinet (1), cabinet (1) Top be provided with upper contact head (42), the side of the switch gear room is provided with lower contact (34), it is characterised in that:The switch interior can Handcart type breaker (2) is releasably installed, described handcart type breaker (2) include vacuum interrupter and breaker operator machine Structure, the vacuum interrupter and circuit breaker operation mechanism are incorporated on vehicle frame (21), the contact system of the vacuum extinction chamber interior System respectively connected the first contact (22) and the second contact (23), the first contact (22) transverse shifting and the lower contact (34) electrical connection is set up, the second contact (23) vertically movable foundation with the upper contact head (42) is electrically connected.
2. withdraw type metal enclosed switch cabinet according to claim 1, it is characterised in that:It is additionally provided with cabinet (1) Cable vault, the cable vault are located at the lower section of the switch gear room, are provided with CA cable assembly, the CA cable assembly bag in the cable room Lower outlet cable is included, one end of the lower outlet cable is electrically connected with lower contact (34), and the lower outlet cable is in addition One end has cable connector.
3. withdraw type metal enclosed switch cabinet according to claim 2, it is characterised in that:It is provided with above the cable vault Top panel (31), is slidably fitted with cross slide (32), sets above cross slide (32) above top panel (31) The bottom for having " C " shape guide rail, vehicle frame (21) is provided with roller, and the roller is coordinated with " C " the shape guide rail, the handcart-type It is indoor and can be with cross slide (32) transverse shifting that breaker (2) loads the switch along " C " the shape guide rail.
4. withdraw type metal enclosed switch cabinet according to claim 3, it is characterised in that:In the cable room rotationally Operating shaft (33) is installed, the two ends of operating shaft (33) are provided with driving gear, and top panel (31) are provided with and the master The corresponding resigning mouth in moving gear position, cross slide (32) are provided with the slotted eye with the teeth cooperation of the driving gear, institute State operating shaft (33) and pass sequentially through driving gear, cross slide (32) and vehicle frame (21) and drive on vacuum interrupter first to touch Head (22) is moved left and right.
5. withdraw type metal enclosed switch cabinet according to claim 4, it is characterised in that:It is provided with above the switch gear room Top board (41), upper contact head (42) are fixed on the top board (41).
6. withdraw type metal enclosed switch cabinet according to claim 5, it is characterised in that:Second contact (23) every Set up with the upper contact head (42) under the driving of knife (24) and electrically connect, the second contact (23) are fixed on isolation knife (24) Top, described isolation knife (24) are arranged on sliding beam (25), and the two ends of sliding beam (25) are provided with vertical screw rod (26), institute The two ends and vertical screw rod (26) screw thread for stating sliding beam (25) coordinate, and the switch interior is additionally provided with isolation knife operation machine Structure, the isolation knife operating mechanism pass sequentially through screw rod (26), sliding beam (25), isolation knife (24) and drive second contact (23) it is vertically movable.
7. withdraw type metal enclosed switch cabinet according to claim 6, it is characterised in that:It is provided with below the isolation knife Grounding assembly, the grounding assembly include being fixed on the slip cutter head (51) of isolation knife bottom, are fixed on consolidating for switch gear room bottom Stationary knife head (52) and the conduction clamping plate (53) of fixed cutter head (52) end is fixed on, described slip cutter head (51) clamping conduction clamping plate (53) in.
8. withdraw type metal enclosed switch cabinet according to claim 1, it is characterised in that:Cabinet (1) is provided with installation Mouthful, handcart type breaker (2) load the switch interior by installing port, and the installing port is provided with door-plate (6), the door One end of plate (6) is hinged end, and the hinged end is hinged with the lower frame of the installing port, the other end of door-plate (6) For free end, during maintenance, the free end rotates to horizontality, and described handcart type breaker (2) extract out and by the door-plate (6) carry.
9. withdraw type metal enclosed switch cabinet according to claim 8, it is characterised in that:The inner face of door-plate (6) sets There is roller group (61), its bottom is run in the roller group (61) when extracting handcart type breaker (2) out, the door-plate (6) gas spring (62) is additionally provided with, one end and the door-plate (6) side of gas spring (62) are hinged, gas spring (62) Other end be hinged on the side frame of the installing port, during maintenance, gas spring (62) stretch and pull residence and state door Plate (6) makes door-plate (6) keep horizontality.
10. withdraw type metal enclosed switch cabinet according to claim 9, it is characterised in that:The free end of door-plate (6) Two sides be provided with door catch (64), door catch (64) are slidably mounted in the door-plate (6), the both sides of the installing port Frame is provided with the pin-and-hole coordinated with the door catch (64), and door-plate (6) are provided with the connecting rod for driving door catch (64) Mechanism (63), linkage (63) are driven by rotary handle, and described linkage (63) include being installed in rotation on door The crank of plate (6) inner face, the crank are driven by the rotary handle installed in door-plate (6) lateral surface, and two of the crank move Door catch (64) of the power end respectively by two traces with door-plate (6) both sides links.
CN201620650389.9U 2016-06-27 2016-06-27 Removing type metal enclosing switch cabinet Expired - Fee Related CN206041307U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620650389.9U CN206041307U (en) 2016-06-27 2016-06-27 Removing type metal enclosing switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620650389.9U CN206041307U (en) 2016-06-27 2016-06-27 Removing type metal enclosing switch cabinet

Publications (1)

Publication Number Publication Date
CN206041307U true CN206041307U (en) 2017-03-22

Family

ID=58313017

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620650389.9U Expired - Fee Related CN206041307U (en) 2016-06-27 2016-06-27 Removing type metal enclosing switch cabinet

Country Status (1)

Country Link
CN (1) CN206041307U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106025894A (en) * 2016-06-27 2016-10-12 江苏明及电气股份有限公司 Removing type metal enclosed switchgear

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106025894A (en) * 2016-06-27 2016-10-12 江苏明及电气股份有限公司 Removing type metal enclosed switchgear

Similar Documents

Publication Publication Date Title
CN106025894B (en) A kind of withdraw type metal enclosed switch cabinet
CN204835320U (en) Hand propelled automatic rising substation equipment overhauls device
CN108190481A (en) A kind of solar photovoltaic assembly environmental protection is recycled assembly line
CN200972997Y (en) Drawing base of high voltage vacuum breaker
CN104835674B (en) A kind of operating mechanism and the Direct Action Type earthed switch using the operating mechanism
CN106505463B (en) A kind of high voltage direct current magnetic suspension crusing robot obstacle avoidance apparatus
CN203607277U (en) Locking device of grounding switch used for high voltage switch cabinet
CN201639183U (en) Switch cabinet baffle valve
CN206041307U (en) Removing type metal enclosing switch cabinet
CN106158493A (en) A kind of Three-Position Switch Operate Institutions
CN201594706U (en) Switch cabinet flexible door mechanism
CN104752091B (en) A kind of double Three-Position Switch Operate Institutions
CN203607266U (en) Electric mechanism of locking device of disconnector for high voltage switch cabinet
CN106024498A (en) Vacuum circuit breaker
CN206041308U (en) Modularization cubical switchboard
CN203883356U (en) An enclosed-type switch cabinet auxiliary electricity-checking handcart
CN209875895U (en) Engine transmission shaft protection cover
CN201611624U (en) Direct-current isolating switch
CN209329089U (en) A kind of battery case disassembly system
CN209015971U (en) Direct Action Type electric ground switch
CN102673679B (en) Holding and lifting device of large-scale passenger airplane mobile production line shifting equipment
CN206022920U (en) A kind of safety low tension switch complete set of equipments
CN209328786U (en) A kind of transmission device applied to middle pressure fixed switching cabinet heavy current disconnecting switches
CN204614695U (en) The linkage structure of single-phase circuit breaker and isolating switch
CN205583507U (en) Metal armor puts aside split type switchgear

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170322

Termination date: 20180627