| Patents for H02B 3 - Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear (3,442) |
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| 09/12/2012 | CN102664359A Installation propulsion mechanism of bottom plate component of electromagnetic starter |
| 09/12/2012 | CN102664358A Live replacement method for static contact of 220 kV flexible busbar |
| 09/11/2012 | US8261433 Portable racking tool for electric equipment replacement and method for replacing electrical components |
| 09/05/2012 | CN202423926U Transformer substation polling robot gesture driving system based on electronic map |
| 09/05/2012 | CN202423925U Contact finger replacement device for isolating switch |
| 09/05/2012 | CN202423924U Anti-explosion operating handle for low-voltage air break switch |
| 09/05/2012 | CN202423923U Special replacing tool for tubular bus post insulator |
| 09/05/2012 | CN202423922U Safety insulation device for fixed contact seat of circuit breaker in high voltage switch cabinet |
| 09/05/2012 | CN202423921U Novel circuit breaker transport overhauling car |
| 09/05/2012 | CN202423920U Multi-dimensional installation equipment for insulation switch mechanism case |
| 09/05/2012 | CN202423919U Quick air-filling device with vacuum switch |
| 09/05/2012 | CN202423918U Isolating switch maintenance car |
| 09/05/2012 | CN202423917U Electrified nuclear-phase auxiliary device for switch cabinet |
| 09/05/2012 | CN202423916U T contact detachable clip for 10 kilovolt special transformer temporary power utilization |
| 09/05/2012 | CN202423915U Replacing equipment for 10 KV switch cabinet closing coil |
| 09/05/2012 | CN202423914U Special V-shaped tool for overhauling isolation switch contact terminal |
| 09/05/2012 | CN202423913U Special X-shaped overhaul tool for isolating switch contacts |
| 09/05/2012 | CN202423912U Alignment device for heavy module of high-voltage distribution switch cabinet |
| 09/05/2012 | CN202423911U Spring disassembling tool for rotating contact of GW4 disconnecting link |
| 09/05/2012 | CN202423910U Device specially used for maintaining transformer |
| 09/05/2012 | CN202423909U Auxiliary suspending device for assembling switch cabinet |
| 09/05/2012 | CN202423908U Power system outdoor operator human body induced electricity eliminating device |
| 09/05/2012 | CN202423907U Wire cutting device for power distributing cabinet |
| 09/05/2012 | CN202423906U Overhaul platform for isolating switch |
| 09/05/2012 | CN202423905U Grounding wire storage device |
| 09/05/2012 | CN202423904U Hot-line work air charging system |
| 09/05/2012 | CN202423903U Electric appliance lifting device of high-voltage power distribution cabinet |
| 09/05/2012 | CN202423902U Automatic heating and gas-filling device for sulfur hexafluoride gas cylinder |
| 09/05/2012 | CN202423901U Intelligent and inflatable automatic lifting overhauling stand for power transformation equipment |
| 09/05/2012 | CN202423900U Grounding ring for maintenance of drop-out fuse |
| 09/05/2012 | CN202423899U Telescopic transfer trolley of switch devices |
| 09/05/2012 | CN202423898U Maintenance workbench |
| 09/05/2012 | CN202423897U High-voltage cabinet maintenance lift truck for power substation |
| 09/05/2012 | CN202423844U Integral type mobile power supply device |
| 09/05/2012 | CN202423590U 750kV high-reliability grounding wire device |
| 09/05/2012 | CN202422924U Oil injection tool for transformer |
| 09/05/2012 | CN202414952U Auxiliary gin pole for hoisting and unloading |
| 09/05/2012 | CN102655311A KYN-28 type electrical test auxiliary device for high voltage switch cabinet |
| 09/05/2012 | CN101938093B Hard combined mask for changing disconnector |
| 09/05/2012 | CN101931172B Electric debugging method of dry-quenching power distribution system |
| 08/29/2012 | EP2491466A1 Diagnosis and maintenance device for a switchgear assembly and corresponding switchgear assembly |
| 08/29/2012 | CN202405684U Cable tank device |
| 08/29/2012 | CN202405663U Multifunctional lifting and positioning device for mutual inductor |
| 08/29/2012 | CN202405662U Manual operating apparatus for switch device mechanism |
| 08/29/2012 | CN202405661U Balance installer for mutual inductor |
| 08/29/2012 | CN202405660U Device for replacing and taking opening coil of high-voltage switch cabinet |
| 08/29/2012 | CN202405659U Hydraulic replacing device for closing coils of high-voltage switch cabinets |
| 08/29/2012 | CN202405658U Insulating rod with lighting device |
| 08/29/2012 | CN202405657U Telescopic insulation ranging rod |
| 08/29/2012 | CN202405656U Device used for maintenance of Beringer valves of transformer substation circuit breakers |
| 08/29/2012 | CN202405655U Safety isolation device for overhauling valve group of convertor station |
| 08/29/2012 | CN202405654U FC (fluorocarbon) gas and liquid injection and recovery device for evaporative cooling power transformer |
| 08/29/2012 | CN202405653U Centrally positioned high-voltage cabinet handcart transfer trolley |
| 08/29/2012 | CN102651268A Ground oil-injecting device of current transformer |
| 08/22/2012 | CN202395352U Valve detection vehicle for installing circuit breaker |
| 08/22/2012 | CN202395351U Current loop sealing device with automatic detector |
| 08/22/2012 | CN202395350U Portable single cell replacing instrument |
| 08/22/2012 | CN202395349U Overhaul working platform for isolating switch |
| 08/22/2012 | CN202395348U Electric power screen cabinet installing transferring device |
| 08/22/2012 | CN202395347U Ventilation and overhaul device for buried substation cellar |
| 08/22/2012 | CN202395346U Wiring molding box of shaped switch cabinet |
| 08/22/2012 | CN202395345U 66KV novel knife-switch button contact mounting device |
| 08/22/2012 | CN202395328U Novel centrally-installed high voltage switch cabinet |
| 08/22/2012 | CN202395316U Quick locating plumb |
| 08/22/2012 | CN202390088U 220kv adjustable triangular holding pole |
| 08/22/2012 | CN102646937A Electricity testing trolley for middle-set type switch cabinet |
| 08/15/2012 | CN202384675U Assembling tool for current transformer |
| 08/15/2012 | CN202384654U GIS (Geographic Information System) bus barrel device capable of horizontally moving |
| 08/15/2012 | CN202384645U Moving box-type link group device |
| 08/15/2012 | CN102638010A Universal 66-kilovolt disconnecting switch binding rod |
| 08/15/2012 | CN102638009A Operation method for first-aid repair of 630A low-tension outgoing lines by by-pass switch |
| 08/15/2012 | CN102638008A 10KV foreign matter cutting operational rod |
| 08/08/2012 | CN202373924U Lock-on connection for cable of control cabinet |
| 08/08/2012 | CN202373882U Busbar punching support |
| 08/08/2012 | CN202373881U Bus-bar punching bracket |
| 08/08/2012 | CN202373880U Multifunctional switch maintenance platform |
| 08/08/2012 | CN202373879U Hole distance localizer for copper bar and wire clamp |
| 08/08/2012 | CN202373878U Test maintenance vehicle |
| 08/08/2012 | CN202373877U H-shaped column horizontally-opened high-voltage isolating switch installation rack |
| 08/08/2012 | CN202373876U Self-moving device for power transformation and distribution equipment on working surface |
| 08/08/2012 | CN202373875U Omnidirectional tubular bus sliding support frame |
| 08/08/2012 | CN102629740A Nuclear phase handcart with adjustable width |
| 08/08/2012 | CN102629737A Box transformer plate and lifting handling method thereof |
| 08/02/2012 | WO2012100508A1 A mounting plate support and a mounting method thereof |
| 08/01/2012 | CN202363778U Core hoisting tool for on-load tap-changer of transformer |
| 08/01/2012 | CN202363777U Multifunctional operating tool |
| 08/01/2012 | CN202363776U Maintenance protection system for transformer of wind power generator |
| 08/01/2012 | CN202363775U Movable insulating two-step stool |
| 08/01/2012 | CN202363774U Magnetic force suspension line weight tool |
| 08/01/2012 | CN202363773U Adjustable disassembly-assembly plate cabinet conveyor device of transformer substation |
| 08/01/2012 | CN202363772U Wall-bushing current transformer installation equipment |
| 08/01/2012 | CN202363771U High-low pressure control cabinet dehumidifier |
| 08/01/2012 | CN202363770U Distribution box shell welding holder |
| 08/01/2012 | CN202363769U Work safety belt hanging buckle support for transformer station |
| 08/01/2012 | CN202363768U Switching-on fuse of high-voltage switch cabinet of 35kV integrated automation substation |
| 08/01/2012 | CN202363767U Apparatus for sticking temperature indicating sheet in hot-line way |
| 08/01/2012 | CN202363766U Mounting structure for placement of box-type transformer substation |
| 08/01/2012 | CN202363765U Complete set of power distribution cabinet frame connection fixing block |
| 08/01/2012 | CN202363749U Installing side beam used in low voltage power distribution cabinet |
| 08/01/2012 | CN102623910A Reliability-based maintenance decision method for switch equipment |