CN109143056A - A kind of online repair system of vibration of GIS device disconnecting link - Google Patents
A kind of online repair system of vibration of GIS device disconnecting link Download PDFInfo
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- CN109143056A CN109143056A CN201811130260.5A CN201811130260A CN109143056A CN 109143056 A CN109143056 A CN 109143056A CN 201811130260 A CN201811130260 A CN 201811130260A CN 109143056 A CN109143056 A CN 109143056A
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- gis device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of online repair system of vibration of GIS device disconnecting link, including bearing support, the balance plate being movably disposed in bearing support, the spring between bearing support and balance plate, 2 air bag balls on bearing support and is attracted component and circuit device；Being attracted component includes magnet, iron plate, insulation board and fixing piece；Circuit unit includes micro-circuit board, micromotor, vibration acceleration sensor, GIS device circuit detection module and remote control center server；Micro-circuit board and micromotor are each provided in support frame；Micro-circuit board is equipped with master controller, drive and control of electric machine execution module, radio receiving transmitting module and power module；Micromotor is equipped with the driving cam with the dynamic cooperation of balance plate.The configuration of the present invention is simple, cost be high, it is easy to implement and using when can effectively monitor GIS device disconnecting link closed state and occurring disconnecting link be closed it is not in place, cross position and when contact loosens problem can be repaired automatically.
Description
It is July 28, innovation and creation in 2016 that present patent application, which is application No. is 201610608577.X, the applying date,
The divisional application of the application for a patent for invention of entitled " the online repair system of the vibration of GIS device disconnecting link ".
Technical field
The present invention relates to field of electrical equipment, and in particular to a kind of online repair system of vibration of GIS device disconnecting link.
Background technique
With the popularization of the progress and Substation Automation System of city and upgrade of rural power grids, relevant automatic system is relied on
The unattended substation of system is more and more, and the monitoring and movement of most equipment can be automatically performed in substation；However,
(GIS device: Gas Insulated Switchgear equipment refers to sulfur hexafluoride closed composition electricity to GIS device in substation
Device is known as " gas-insulated switchgear " in the world) in particularly significant and most quantity disconnecting switch contact state it is real-time
It monitors and is automatically repaired and be not carried out so far；Due to device fabrication, environmental pollution, foundation deformation, longtime running, serious overload fortune
There is closure is not in place, cross position and contact loosens etc. in closure in the reasons such as row, contact oxidation, electric arc impact, disconnecting switch
Problem, such as discovery and reparation not in time, then easily fall GIS device is caused to break down, and brings power off time length, the costly, thing of maintenance
Therefore influence the consequences such as big, economic loss is serious.Current way still leans on operation maintenance personnel to set in substation field observation GIS at present
Situation is connected to judge whether its working condition is normal in electrical connection before and after standby disconnecting switch divide-shut brake, and reports power supply department
It carries out repairing operation in next step again behind regulation center；Such situation subtracts people and unmanned demand for development pole not phase with substation
Symbol.Moreover, because the disconnecting switch of GIS device is numerous, position is different, depends merely on manual inspection, and not only working efficiency is low, some
The meshing state of the disconnecting switch at position is even difficult to artificial observation, thus is not easy to find accident potential, and accident is easy to cause to send out
It is raw.
Summary of the invention
That the object of the present invention is to provide a kind of structures is simple, cost is not high, easy to implement and use when can effectively monitor
The disconnecting link closed state of substation's GIS device and occur disconnecting link closure is not in place, cross position and contact and loosen problem when can
Automatically the online repair system of vibration for the GIS device disconnecting link repaired.
The technical scheme is that the online repair system of vibration of GIS device disconnecting link of the invention, design feature
It is: including bearing support, balance plate, spring, air bag ball, is attracted component and circuit device；
Above-mentioned balance plate is movably disposed in bearing support；Spring is arranged between bearing support and balance plate；Air bag ball is set
There are 2,2 air bag balls are oppositely arranged and are fixedly mounted on bearing support；
Being attracted component includes magnet, iron plate, insulation board and fixing piece；Embedded magnet type is fixed at the upper end of above-mentioned balance plate
Middle part；Iron plate is fixed on the lower end surface of insulation board；
Circuit unit includes micro-circuit board, micromotor, vibration acceleration sensor, GIS device circuit detection module and remote
Process control central server；
Micro-circuit board and micromotor is embedded respectively is fixed in bearing support；Micro-circuit board is equipped with main control
Device, drive and control of electric machine execution module, radio receiving transmitting module and power module；The outside of the motor shaft of micromotor is equipped with transmission
Cam；Driving cam and the dynamic cooperation of above-mentioned balance plate；
Master controller is electrically connected with vibration acceleration sensor and GIS device circuit detection module respectively；Master controller passes through nothing
Line transceiver module and remote control center server communication；Drive and control of electric machine execution module is electrically connected with master controller；It is miniature
Motor is electrically connected with drive and control of electric machine execution module；Power module provides working power for module each on micro-circuit board；
In use, bearing support is fixedly mounted on the disconnecting link seat of GIS device；The insulation board for being attracted component is mounted on by fixing piece
On the lower end surface of the disconnecting link of GIS device, and iron plate is matched with the position of magnet；The vibration acceleration of circuit unit senses
Device and GIS device circuit detection module are arranged in GIS device；
Above-mentioned bearing support is the integral piece of isolation material；Bearing support includes bottom plate, side plate and top plate；Bottom plate is horizontally disposed
Square plate part；Side plate is vertically disposed square plate part；The width of side plate and bottom plate it is of same size；The middle and lower part of side plate
Equipped with 2 longitudinally disposed and left and right to the slot of perforation, 2 slot point front and backs are arranged in parallel；Side plate is equipped with structure identical 2
Block, 2 blocks of side plates are in each 1 piece of setting of the left and right sides of bottom plate difference, and 2 blocks of side plates are respectively by the medial surface and bottom plate of its lower end
The vertical integrally connected of the lateral surface of left and right ends；Top plate is rectangular plate body part, and top plate is 2 pieces identical equipped with structure, 2 pieces of tops
Plate is in each 1 piece of setting of the upper end of 2 blocks of side plates difference；2 pieces of top plates are respectively by the upper end of lower end surface and 2 blocks of side plates on the inside of the rear part
Face integrally connected, and the medial surface of the medial surface of top plate and side plate is located on same vertical guide；The middle front part of top plate protrudes forward
In the front end face of side plate；The outer end of top plate protrudes outward the lateral surface in side plate；
In use, bearing support is by its top plate, middle front part outstanding is fixedly mounted on the disconnecting link seat of GIS device forward；
Above-mentioned balance plate includes mainboard body and 4 sliding blocks；Mainboard body is rectangular plate body part, the left and right of mainboard body to size
Spacing between 2 blocks of side plates of above-mentioned bearing support is adapted；4 sliding blocks are set in each fixation in the left and right sides of mainboard body point front and back
Set 2；Each side 2 sliding blocks of balance plate are plugged in each 2 slots of 2 blocks of side plates of bearing support and outside pleurapophysis
Out；The micromotor of above-mentioned circuit unit is equipped with 4, and it is solid that 4 micromotors are respectively embedded into formula on 2 blocks of side plates of bearing support
Surely it is arranged 2；1 driving cam is fixedly installed in the outside of the motor shaft of 4 micromotors respectively, and 4 driving cams are correspondingly
Cooperation is moved with the outside left of 4 sliding blocks of balance plate；
Above-mentioned spring is equipped with 2；2 springs are set between the bottom plate and above-mentioned balance plate of above-mentioned bearing support, and spring
Upper end and the lower end surface of balance plate 2 offset；The upper surface of the bottom plate of the lower end and bearing support of spring offsets.
Further embodiment is: 2 above-mentioned air bag balls divide on the upper inner face of 2 blocks of side plates of above-mentioned bearing support
It Gu Dingshezhi not be 1.
Further embodiment is: spacing between 2 blocks of side plates of above-mentioned bearing support be greater than the left and right of GIS device disconnecting link to
Thickness.
Further embodiment is: the fixing piece of above-mentioned actuation component is strong double-face glue.
Further embodiment is also: the vibration acceleration sensor of above-mentioned circuit unit is that the vibration of three axis omnidirections accelerates
Spend sensor.
The present invention has the effect of positive: (1) the online repair system of vibration of GIS device disconnecting link of the invention, structure
Relatively easy, cost is not high, easy to implement, is easy to promote in power supply system.(2) vibration of GIS device disconnecting link of the invention exists
Line repair system is capable of the disconnecting link closed state of effective monitoring substation GIS device when in use and disconnecting link closure is occurring
When not in place, mistake position and contact loosen problem, reparation adjusting can be carried out, automatically correspondingly so as to effectively prevent GIS
Equipment occurs because that disconnecting link is closed is not in place, crosses accident caused by position and contact loosen.(3) GIS device disconnecting link of the invention
Online repair system is vibrated, the status real time monitor of GIS device disconnecting link in substation in the prior art has been filled up and is gone wrong
When the technological gap that is automatically repaired, automation of transformation substations level can be improved, meet substation and subtract people and unmanned developing direction.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention, and the position of the present invention with GIS device disconnecting link are also schematically shown in figure
Matching relationship；
Fig. 2 is the schematic block diagram of circuit device of the invention；
Fig. 3 is the scheme of installation when present invention uses on disconnecting link seat.
Appended drawing reference in above-mentioned attached drawing is as follows:
Bearing support 1, bottom plate 11, side plate 12, slot 12-1, top plate 13,
Balance plate 2, mainboard body 21, sliding block 22,
Spring 3,
Air bag ball 4,
Actuation component 5, magnet 51,
Circuit unit 6, driving cam 61；
Disconnecting link 101,
Disconnecting link seat 102.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
(embodiment 1)
See Fig. 1 and Fig. 2, the online repair system of vibration of the GIS device disconnecting link of the present embodiment, mainly by bearing support 1, balance plate
2, spring 3, air bag ball 4, actuation component 5 and circuit device 6 form.
Bearing support 1 is the integral piece of isolation material, and bearing support 1 is mainly integrally made of bottom plate 11, side plate 12 and top plate 13；
Bottom plate 11 is horizontally disposed square plate part；Side plate 12 is vertically disposed square plate part；The width and bottom plate of side plate 12
11 it is of same size；The middle and lower part of side plate 12 is equipped with slot 12-1,2 slot 12-1s of 2 longitudinally disposed and left and right to perforation
It is arranged in parallel before and after point；Side plate 12 is 2 pieces identical equipped with structure, and 2 blocks of side plates 12 are in each setting 1 of the left and right sides of bottom plate 11 difference
Block, and 2 blocks of side plates 12 are respectively by the medial surface integrally connected vertical with the lateral surface of the left and right ends of bottom plate 11 of its lower end；2 pieces
Spacing between side plate 12 is greater than the left and right of disconnecting link 101 to thickness；Top plate 13 is rectangular plate body part, and top plate 13 is equipped with structure
Identical 2 pieces, 2 pieces of top plates 13 are in each 1 piece of setting of the upper end of 2 blocks of side plates 12 difference；2 pieces of top plates 13 respectively by the rear part on the inside of
The upper surface integrally connected of lower end surface and 2 blocks of side plates 12, and the medial surface of the medial surface of top plate 13 and side plate 12 is located at same lead
On vertical plane；The middle front part of top plate 13 protrudes from forward the front end face of side plate 12；The outer end of top plate 13 is protruded outward in side plate 12
Lateral surface.
Balance plate 2 is made of mainboard body 21 and 4 sliding block 22；Mainboard body 21 is rectangular plate body part, a left side for mainboard body 21
Spacing between the size of dextrad and 2 blocks of side plates 12 is adapted；4 sliding blocks 22 are each solid in the left and right sides of mainboard body 21 point front and back
Surely it is arranged 2；Each side 2 sliding blocks 22 of balance plate 2 are plugged in each 2 slot 12-1 of 2 blocks of side plates 12 and outside
Side is prominent, so that balance plate 2 can rely on each 2 slot 12-1 of 2 blocks of side plates 12 to activity.
Spring 3 is equipped with 1 or more, and 2 are preferably provided in the present embodiment；Spring 3 is set between bottom plate 11 and balance plate 2,
And the upper end of spring 3 offsets with balance plate 2；The lower end of spring 3 and the upper surface of bottom plate 11 offset.
Air bag ball 4 is equipped with 2, and 2 air bag balls 4 are fixedly installed 1 on the upper inner face of 2 blocks of side plates 12 respectively.
Being attracted component 5 includes magnet 51, iron plate, insulation board and fixing piece (being not drawn into attached drawing)；Magnet 51 is embedded solid
The upper center of balance plate 2 is set calmly；Iron plate is fixed on the lower end surface of insulation board, in use, insulation board passes through admittedly
Determine part to be mounted on the lower end surface of disconnecting link 101, and iron plate and the position of magnet 51 are matched.In the present embodiment, fixing piece
It is preferred that using strong double-face glue.
Referring to fig. 2, circuit unit 6 includes micro-circuit board, micromotor, vibration acceleration sensor, GIS device circuit
Detection module and remote control center server.
Micro-circuit board is embedded to be fixed in bearing support 1；Micro-circuit board is equipped with master controller, motor driven
Control execution module, radio receiving transmitting module and power module；Micromotor is equipped with 4, and 4 micromotors are on 2 blocks of side plates 12
It is respectively embedded into formula and is fixedly installed 2；The outside of the motor shaft of 4 micromotors is fixedly installed 1 driving cam 61,4 respectively
The dynamic cooperation of the outside left of 4 sliding blocks 22 of driving cam 61 and balance plate 2；Vibration acceleration sensor is arranged in GIS device
On, for detecting the closed state of disconnecting link 101 Yu disconnecting link seat 102 when use；In the present embodiment, vibration acceleration sensor is preferred
Using three axis omnidirection vibration acceleration sensors；GIS device circuit detection module is arranged in GIS device, for detecting GIS
Whether the circuit of equipment breaks down.
Master controller is electrically connected with vibration acceleration sensor and GIS device circuit detection module signal respectively；Main control
Device passes through radio receiving transmitting module and remote control center server communication；Drive and control of electric machine execution module receives master controller
Control instruction open/stop controlling to 4 micromotors；Power module provides working power for module each on micro-circuit board.
Referring to Fig. 3, the online repair system of vibration of the GIS device disconnecting link of the present embodiment, when in use, by bearing support 1
By its top plate 13, middle front part outstanding is fixedly mounted on disconnecting link seat 102 forward, and make disconnecting link 101 from the top down with disconnecting link
Disconnecting link 101 passes through between 2 blocks of side plates 12 of bearing support 1 during 102 engagement of seat is conductive.Its working principle and process summary are such as
Under:
The online repair system of vibration of the GIS device disconnecting link of the present embodiment, when in use, the vibration acceleration of circuit device 6
The closed state of the sensor real-time detection disconnecting link 101 and disconnecting link seat 102 and information that will test is sent to master controller；GIS
Whether the circuit of circuitry detection module real-time detection GIS device breaks down, if detect break down if will test
Fault message be sent to master controller；Master controller handles received signal and judges disconnecting link 101 and disconnecting link seat 102
Coincidence position situation whether occurred；Meanwhile master controller will test state by radio receiving transmitting module and be sent in real time remotely
Control centre's server, so that background work personnel are capable of the coincidence feelings of disconnecting link 101 to GIS device and disconnecting link seat 102
Condition carries out remote real time monitoring, can be by remotely controlling if background monitoring personnel think to need to repair the disconnecting link 101 for crossing position
Central server processed sends to repair to instruct to be adjusted the disconnecting link 101 for crossing position to master controller via radio receiving transmitting module and repair
It is multiple；After master controller is connected to reparation instruction, 4 micromotor movements are made by drive and control of electric machine execution module, 4 miniature
Driving cam 61 on the outside of the motor shaft of motor is rotated with motor shaft, so that driving cam 61 by suppressing balance under normal circumstances
22 state of sliding block of plate 2 becomes 22 disengaged position of sliding block with balance plate 2；Bullet of the mainboard body 21 of balance plate 2 due to spring 3
Power effect moves upwards, and disconnecting link 101 is pushed to move up, and crosses position to disconnecting link 101 and repairs；It is indulged on the side plate 12 of bearing support 1
The range upward to balance plate 2 to the slot 12-1 of setting limits；When master controller vibrates acceleration based on the received
When spending sensor real time detection signal judgement 101 position of disconnecting link reparation in place, master controller executes mould by drive and control of electric machine
Block makes 4 micromotor counteragents, and micromotor overcomes the elastic force of spring 3 and is attracted the magnetic attraction of component, so that transmission
Cam 61 is restored to the normal condition of the sliding block 22 of compacting balance plate 2, and balance plate 2 is disengaged with disconnecting link 101.
If the coincidence of disconnecting link 101 and disconnecting link seat 102 is not in place, it is located at the magnetic of the actuation component 5 of 2 upper center of balance plate
Iron 51 and the iron plate being located on 101 lower end surface of disconnecting link are attracting, by magnetic attraction disconnecting link 101 are further nibbled with disconnecting link seat 102
It closes in place, realizes being automatically repaired when disconnecting link 101 is not in place.
If if when there is poor contact phenomenon in disconnecting link 101 and 102 engagement process of disconnecting link seat, it is upper due to 2 blocks of side plates 12
1 air bag ball 4 is respectively equipped on portion's medial surface；2 air bag balls 4 squeeze disconnecting link 101 from the left and right sides to centre, to guarantee knife
Lock 101 is located at the centre of disconnecting link seat 102, so that disconnecting link 101 comes into full contact with disconnecting link seat 102, so as to effectively avoid disconnecting link
101 with 102 poor contact phenomenon of disconnecting link seat.
Above embodiments are the explanations to a specific embodiment of the invention, rather than limitation of the present invention, related technology
The technical staff in field without departing from the spirit and scope of the present invention, can also make various transformation and variation and obtain
To corresponding equivalent technical solution, therefore all equivalent technical solutions should be included into patent protection model of the invention
It encloses.
Claims (1)
1. a kind of online repair system of vibration of GIS device disconnecting link, it is characterised in that: including bearing support, balance plate, spring, gas
Capsule ball is attracted component and circuit device；
The balance plate is movably disposed in bearing support；Spring is arranged between bearing support and balance plate；Air bag ball is set
There are 2,2 air bag balls are oppositely arranged and are fixedly mounted on bearing support；
Being attracted component includes magnet, iron plate, insulation board and fixing piece；Embedded magnet type is fixed at the upper end of the balance plate
Middle part；Iron plate is fixed on the lower end surface of insulation board；
Circuit unit includes micro-circuit board, micromotor, vibration acceleration sensor, GIS device circuit detection module and remote
Process control central server；
Micro-circuit board and micromotor is embedded respectively is fixed in bearing support；Micro-circuit board is equipped with main control
Device, drive and control of electric machine execution module, radio receiving transmitting module and power module；The outside of the motor shaft of micromotor is equipped with transmission
Cam；Driving cam and the dynamic cooperation of the balance plate；
Master controller is electrically connected with vibration acceleration sensor and GIS device circuit detection module respectively；Master controller passes through nothing
Line transceiver module and remote control center server communication；Drive and control of electric machine execution module is electrically connected with master controller；It is miniature
Motor is electrically connected with drive and control of electric machine execution module；Power module provides working power for module each on micro-circuit board；
In use, bearing support is fixedly mounted on the disconnecting link seat of GIS device；The insulation board for being attracted component is mounted on by fixing piece
On the lower end surface of the disconnecting link of GIS device, and iron plate is matched with the position of magnet；The vibration acceleration of circuit unit senses
Device and GIS device circuit detection module are arranged in GIS device；
The bearing support is the integral piece of isolation material；Bearing support includes bottom plate, side plate and top plate；Bottom plate is horizontally disposed
Square plate part；Side plate is vertically disposed square plate part；The width of side plate and bottom plate it is of same size；The middle and lower part of side plate
Equipped with 2 longitudinally disposed and left and right to the slot of perforation, 2 slot point front and backs are arranged in parallel；Side plate is equipped with structure identical 2
Block, 2 blocks of side plates are in each 1 piece of setting of the left and right sides of bottom plate difference, and 2 blocks of side plates are respectively by the medial surface and bottom plate of its lower end
The vertical integrally connected of the lateral surface of left and right ends；Top plate is rectangular plate body part, and top plate is 2 pieces identical equipped with structure, 2 pieces of tops
Plate is in each 1 piece of setting of the upper end of 2 blocks of side plates difference；2 pieces of top plates are respectively by the upper end of lower end surface and 2 blocks of side plates on the inside of the rear part
Face integrally connected, and the medial surface of the medial surface of top plate and side plate is located on same vertical guide；The middle front part of top plate protrudes forward
In the front end face of side plate；The outer end of top plate protrudes outward the lateral surface in side plate；
In use, bearing support is by its top plate, middle front part outstanding is fixedly mounted on the disconnecting link seat of GIS device forward；
The balance plate includes mainboard body and 4 sliding blocks；Mainboard body is rectangular plate body part, the left and right of mainboard body to size
Spacing between 2 blocks of side plates of the bearing support is adapted；4 sliding blocks are set in each fixation in the left and right sides of mainboard body point front and back
Set 2；Each side 2 sliding blocks of balance plate are plugged in each 2 slots of 2 blocks of side plates of bearing support and outside pleurapophysis
Out；The micromotor of the circuit unit is equipped with 4, and it is solid that 4 micromotors are respectively embedded into formula on 2 blocks of side plates of bearing support
Surely it is arranged 2；1 driving cam is fixedly installed in the outside of the motor shaft of 4 micromotors respectively, and 4 driving cams are correspondingly
Cooperation is moved with the outside left of 4 sliding blocks of balance plate；
The spring is equipped with 2；2 springs are set between the bottom plate and the balance plate of the bearing support, and spring
Upper end and the lower end surface of balance plate 2 offset；The upper surface of the bottom plate of the lower end and bearing support of spring offsets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130260.5A CN109143056B (en) | 2016-07-28 | 2016-07-28 | Vibration online repair system of GIS equipment switch |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608577.XA CN106054070B (en) | 2016-07-28 | 2016-07-28 | The online repair system of vibration of GIS device disconnecting link |
| CN201811130260.5A CN109143056B (en) | 2016-07-28 | 2016-07-28 | Vibration online repair system of GIS equipment switch |
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| CN201610608577.XA Division CN106054070B (en) | 2016-07-28 | 2016-07-28 | The online repair system of vibration of GIS device disconnecting link |
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| Publication Number | Publication Date |
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| CN109143056A true CN109143056A (en) | 2019-01-04 |
| CN109143056B CN109143056B (en) | 2020-05-15 |
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| CN201811130260.5A Active CN109143056B (en) | 2016-07-28 | 2016-07-28 | Vibration online repair system of GIS equipment switch |
| CN201610608577.XA Active CN106054070B (en) | 2016-07-28 | 2016-07-28 | The online repair system of vibration of GIS device disconnecting link |
| CN201811130299.7A Active CN109143057B (en) | 2016-07-28 | 2016-07-28 | GIS equipment switch vibration online repair system |
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| CN201610608577.XA Active CN106054070B (en) | 2016-07-28 | 2016-07-28 | The online repair system of vibration of GIS device disconnecting link |
| CN201811130299.7A Active CN109143057B (en) | 2016-07-28 | 2016-07-28 | GIS equipment switch vibration online repair system |
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| CN110207977A (en) * | 2019-04-16 | 2019-09-06 | 平高集团有限公司 | A kind of test method of the storage transmission system for disc spring hydraulic mechanism |
| CN111413752A (en) * | 2020-06-08 | 2020-07-14 | 宁波丞达精机有限公司 | Optical lens ink coating method and ink coating device |
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Also Published As
| Publication number | Publication date |
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| CN109143057A (en) | 2019-01-04 |
| CN106054070A (en) | 2016-10-26 |
| CN109143056B (en) | 2020-05-15 |
| CN109143057B (en) | 2020-05-19 |
| CN106054070B (en) | 2018-10-30 |
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