CN111720748A - Full-automatic GIS vibration detection system - Google Patents
Full-automatic GIS vibration detection system Download PDFInfo
- Publication number
- CN111720748A CN111720748A CN202010664300.5A CN202010664300A CN111720748A CN 111720748 A CN111720748 A CN 111720748A CN 202010664300 A CN202010664300 A CN 202010664300A CN 111720748 A CN111720748 A CN 111720748A
- Authority
- CN
- China
- Prior art keywords
- vibration detection
- drive
- arc
- vibration
- base
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 76
- 238000004458 analytical method Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
- F16M11/30—Undercarriages for supports with one single telescoping pillar with co-moving side-struts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The full-automatic GIS vibration detection system comprises a base, a driving device and a vibration detection device, wherein the upper end of the base is connected with the driving device, one side of the driving device is connected with the vibration detection device to drive the vibration detection device to rotate, the driving device comprises a driving motor, a driving gear and a driving shell, a machine body of the driving motor is fixedly connected with the base, a rotating shaft of the driving motor is fixedly connected with the driving gear, the driving shell is cylindrical, a rack matched with the driving gear is arranged on the outer side of the driving shell, the driving shell is meshed and connected with the driving gear through the rack to rotate under the driving of the driving gear, the outer side of the driving shell is also rotatably connected with the base, and the inner side of the driving shell is detachably connected with the vibration detection device to drive the vibration detection device to rotate. The full-automatic GIS vibration detection system does not need to be held by a person, and the detection precision is improved.
Description
Technical Field
The invention relates to the technical field of electric power overhaul, in particular to a full-automatic GIS vibration detection system.
Background
With the rapid development of industrial economy in China, a gas insulated fully-enclosed combined electrical apparatus (GIS) is widely applied to the field of electric power based on the characteristics of small volume, long overhaul period and easy maintenance. However, mechanical failure can also occur due to the application of electric forces during the specific application, which in turn can cause vibration. GIS mechanical failure vibration is exactly because there is some defects and the abnormal sound that takes place inside the equipment as the name suggests, and GIS's abnormal sound vibration can have very big harm to GIS equipment itself, and the vibration of abnormal sound probably can lead to the inside bolt of GIS not hard up for a long time, causes gaseous outer the hourglass, and inside atmospheric pressure reduces, takes place insulating accident, damages insulator and insulated column simultaneously, influences the fastness of shell ground point. According to the international large power grid conference and the statistical investigation of the high-voltage circuit breaker faults of the Chinese power research institute, most faults (70% of main faults and 86% of secondary faults) of the circuit breaker occur in mechanical mechanisms, and mainly relate to an operating mechanism, a monitoring device, an auxiliary device and the like. The main method for detecting the mechanical fault of the power transmission and transformation equipment GIS is a vibration signal analysis method, and the mechanical fault such as contact abnormity can be detected by measuring vibration on a shell of the GIS. Therefore, GIS vibration measurement has very important significance for improving the safety and reliability of the power system and reducing the operation cost of the power system.
Disclosure of Invention
In view of the above, there is a need for a fully automatic GIS vibration detection system capable of detecting GIS housings in all directions.
The utility model provides a full-automatic GIS vibration detection system includes base, drive arrangement, vibration detection device, the upper end and the drive arrangement of base are connected, and one side and the vibration detection device of drive arrangement are connected to drive vibration detection device and rotate, drive arrangement includes driving motor, drive gear, drive casing, driving motor's fuselage and base fixed connection, driving motor's pivot and drive gear fixed connection, drive casing are cylindricly, and the outside of drive casing is equipped with drive gear assorted rack, and the drive casing passes through the rack and is connected with drive gear meshing to rotate under drive gear's drive, the outside of drive casing still rotates with the base to be connected, and the inboard and the vibration detection device of drive casing can dismantle and be connected to drive vibration detection device and rotate.
Preferably, the upper end of base is equipped with two bracket assemblies, and bracket assembly is located the both sides of drive casing, and bracket assembly includes "T" shape backup pad, arc backup pad, a plurality of fixed pulley, and the opening of "T" shape backup pad is upwards, "the both sides and the arc backup pad fixed connection of the upper end of T" shape backup pad, and a plurality of fixed pulley evenly distributed are in the arc backup pad, and the fixed pulley contacts with the drive casing to the combined action through fixed pulley and arc backup pad supports the drive casing.
Preferably, the vibration detection device detects the support and is the arc including detecting support, at least three vibration sensor, detects the support and can dismantle with the inboard of drive casing and be connected, and vibration sensor evenly distributed is on detecting the support, and vibration sensor along the radial setting that detects the support, and vibration sensor's signal output part and external vibration analytic system electric connection to carry out GIS fault analysis with vibration signal to vibration analytic system.
Preferably, the drive shell includes two semi-cylindrical arc casings, and the both sides of arc casing are equipped with the connecting plate, are equipped with a plurality of through-holes on the connecting plate to it is fixed with two arcs through bolt and nut, and the outside of arc casing is equipped with the rack, and the arc casing passes through the rack and is connected with drive gear engagement, and one of them arc casing still can dismantle with vibration detection device and be connected, rotate with drive vibration detection device.
Preferably, the inner side of the arc-shaped shell is provided with a plurality of threaded pillars, correspondingly, the detection support is provided with a plurality of through holes, the detection support is sleeved on the threaded pillars, the threaded pillars are further provided with two nuts, and the two nuts are respectively located on two sides of the threaded pillars so as to adjust the distance between the detection support and the arc-shaped shell.
Preferably, the base still is equipped with elevating system, and elevating system includes lift platform, lifting screw, worm wheel, worm, handle, four scalable stands, lift platform's upper end and bracket assembly fixed connection, lift platform's lower extreme and lifting screw's upper end fixed connection, and lifting screw's lower extreme and worm wheel cover are established and are connected, and the worm wheel is connected with the one end meshing of worm, the other end and the handle fixed connection of worm, the upper end and the lift platform fixed connection of scalable stand, the lower extreme and the base fixed connection of scalable stand, during the use, through turning handle in order to adjust lift platform's lift.
Preferably, the bottom of base still is equipped with the walking wheel to the base removes.
Has the advantages that: the full-automatic GIS vibration detection system comprises a base, a driving device and a vibration detection device, wherein the upper end of the base is connected with the driving device, one side of the driving device is connected with the vibration detection device to drive the vibration detection device to rotate, the driving device comprises a driving motor, a driving gear and a driving shell, a machine body of the driving motor is fixedly connected with the base, a rotating shaft of the driving motor is fixedly connected with the driving gear, the driving shell is cylindrical, a rack matched with the driving gear is arranged on the outer side of the driving shell, the driving shell is meshed and connected with the driving gear through the rack to rotate under the driving of the driving gear, the outer side of the driving shell is also rotatably connected with the base, and the inner side of the driving shell is detachably connected with the vibration detection device to drive the vibration detection device to rotate. The full-automatic GIS vibration detection system does not need to be held by a person, and the detection precision is improved. Simultaneously through rotating the drive casing, can carry out 360 degrees detections to the GIS pipeline, rethread travelling wheel promotes the base to can carry out comprehensive detection to the GIS pipeline, make the fault detection more accurate high-efficient.
Drawings
Fig. 1 is a schematic structural diagram of a preferred angle of the fully automatic GIS vibration detection system of the present invention.
Fig. 2 is a schematic structural diagram of another preferred angle of the fully automatic GIS vibration detection system of the present invention.
Fig. 3 is a schematic structural diagram of another preferred angle of the fully automatic GIS vibration detection system of the present invention.
Fig. 4 is a schematic structural diagram of another preferred angle of the fully automatic GIS vibration detection system of the present invention.
Fig. 5 is a schematic view of the configuration of the carriage assembly of the present invention in cooperation with a driving device.
Fig. 6 is a schematic structural diagram of the lifting mechanism of the present invention.
In the figure: the full-automatic GIS vibration detection system 10 comprises a base 20, a bracket assembly 201, a T-shaped supporting plate 2011, an arc supporting plate 2012, a fixed pulley 2013, a lifting mechanism 202, a lifting platform 2021, a lifting screw 2022, a handle 2023, a telescopic upright post 2024, a traveling wheel 203, a driving device 30, a driving motor 301, a driving gear 302, a driving shell 303, an arc shell 3031, a connecting plate 30311, a threaded support 30312, a vibration detection device 40, a detection support 401 and a vibration sensor 402.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 6, a full-automatic GIS vibration detection system 10 includes a base 20, a driving device 30, and a vibration detection device 40, wherein an upper end of the base 20 is connected to the driving device 30, one side of the driving device 30 is connected to the vibration detection device 40 to drive the vibration detection device 40 to rotate, the driving device 30 includes a driving motor 301, a driving gear 302, and a driving housing 303, a body of the driving motor 301 is fixedly connected to the base 20, a rotating shaft of the driving motor 301 is fixedly connected to the driving gear 302, the driving housing 303 is cylindrical, a rack matched with the driving gear 302 is disposed on an outer side of the driving housing 303, the driving housing 303 is engaged with the driving gear 302 through the rack to rotate under the driving of the driving gear 302, the outer side of the driving housing 303 is also rotatably connected to the base 20, and an inner side of the driving housing 303 is detachably connected to the vibration detection device 40, to rotate the vibration detecting device 40.
Further, the upper end of the base 20 is provided with two bracket assemblies 201, the bracket assemblies 201 are located on two sides of the driving shell 303, each bracket assembly 201 comprises a T-shaped supporting plate 2011, an arc-shaped supporting plate 2012 and a plurality of fixed pulleys 2013, an opening of the T-shaped supporting plate 2011 is upward, two sides of the upper end of the T-shaped supporting plate 2011 are fixedly connected with the arc-shaped supporting plate 2012, the fixed pulleys 2013 are uniformly distributed on the arc-shaped supporting plate 2012, and the fixed pulleys 2013 are in contact with the driving shell 303 so as to support the driving shell 303 through the combined action of the fixed pulleys 2013 and the arc-shaped supporting plate 2012.
In a preferred embodiment, the "T" shaped support plate 2011 and the curved support plate 2012 are apertured to be fixedly coupled by bolts and nuts.
In another preferred embodiment, a "T" shaped support plate 2011 is welded to the curved support plate 2012.
Further, vibration detection device 40 is including detecting support 401, at least three vibration sensor 402, and it is the arc to detect support 401, and it can dismantle with the inboard of drive casing 303 and be connected to detect support 401, and vibration sensor 402 evenly distributed is on detecting support 401, and vibration sensor 402 along the radial setting that detects support 401, and vibration sensor 402's signal output part and external vibration analytic system electric connection to carry out GIS fault analysis with vibration signal transmission to vibration analytic system.
Further, the driving housing 303 includes two semi-cylindrical arc housings 3031, two sides of the arc housings 3031 are provided with connecting plates 30311, the connecting plates 30311 are provided with a plurality of through holes to fix the two arc plates by bolts and nuts, a rack is provided on the outer side of the arc housing 3031, the arc housing 3031 is engaged with the driving gear 302 by the rack, one of the arc housings 3031 is also detachably connected with the vibration detection device 40 to drive the vibration detection device 40 to rotate.
Further, a plurality of threaded support columns 30312 are arranged on the inner side of the arc-shaped shell 3031, correspondingly, a plurality of through holes are formed in the detection support 401, the detection support 401 is sleeved on the threaded support columns 30312, two nuts are further arranged on the threaded support columns 30312 and are respectively located on two sides of the threaded support columns 30312, and therefore the distance between the detection support 401 and the arc-shaped shell 3031 is adjusted.
Further, the base 20 is further provided with a lifting mechanism 202, the lifting mechanism 202 comprises a lifting platform 2021, a lifting screw 2022, a worm wheel, a worm, a handle 2023 and four telescopic columns 2024, the upper end of the lifting platform 2021 is fixedly connected with the bracket assembly 201, the lower end of the lifting platform 2021 is fixedly connected with the upper end of the lifting screw 2022, the lower end of the lifting screw 2022 is sleeved with the worm wheel and is connected with one end of the worm, the other end of the worm is fixedly connected with the handle 2023, the upper end of the telescopic columns 2024 is fixedly connected with the lifting platform 2021, the lower end of the telescopic columns 2024 is fixedly connected with the base 20, and when the lifting platform 2021 is used, the lifting platform 2021 is adjusted by rotating the handle 2023.
Further, the bottom of the base 20 is also provided with a walking wheel 203, so that the base 20 can move conveniently.
In a preferred embodiment, the invention is implemented as follows:
the base 20 is firstly placed below the GIS pipeline, one arc-shaped shell 3031 of the driving shell 303 is placed on a bracket of the base 20, the driving shell 303 is meshed with the driving gear 302, then the handle 2023 of the lifting mechanism 202 is rotated, the lifting platform 2021 is lifted to a proper position, the other arc-shaped shell 3031 is clamped on the first arc-shaped shell 3031, the driving shell 303 is sleeved on the GIS pipeline, and then the two arc-shaped shells 3031 are fixed by screws and nuts. Thereafter, the lifting mechanism 202 is adjusted again so that the arc housing 3031 and the GIS are on the same axis. And adjusting a nut on a threaded support 30312 on the arc-shaped shell 3031 to enable the vibration sensor 402 to be in contact with the outer wall of the GIS pipeline so as to detect the vibration condition of the GIS pipeline. When the external vibration analysis system receives the vibration information of the vibration sensor 402 and analyzes that no abnormality exists, the driving motor 301 is started again to rotate by a preset angle, the GIS pipeline at the position is detected again, and it is known that a week of the GIS pipeline is completely detected. And then pushing the base 20 to enable the base 20 to move forwards, continuously detecting the GIS pipeline until all parts of the GIS pipeline are detected, shutting down the driving motor 301, and removing the driving shell.
The full-automatic GIS vibration detection system 10 does not need to be held by a person, and the detection precision is improved. Simultaneously through rotating drive casing 303, can carry out 360 degrees detections to the GIS pipeline, rethread travelling wheel 203 promotes base 20 to can carry out comprehensive detection to the GIS pipeline, make the fault detection more accurate high-efficient.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a full-automatic GIS vibration detection system which characterized in that: including base, drive arrangement, vibration detection device, the upper end and the drive arrangement of base are connected, and one side and the vibration detection device of drive arrangement are connected to drive vibration detection device and rotate, drive arrangement includes driving motor, drive gear, drive casing, driving motor's fuselage and base fixed connection, driving motor's pivot and drive gear fixed connection, drive casing are cylindricly, and the outside of drive casing is equipped with drive gear assorted rack, and the drive casing passes through the rack and is connected with drive gear meshing to rotate under drive gear's drive, the outside of drive casing still rotates with the base to be connected, and the inboard and the vibration detection device of drive casing can dismantle and be connected to drive vibration detection device and rotate.
2. The fully automatic GIS vibration detection system of claim 1 wherein: the upper end of base is equipped with two bracket assemblies, and bracket assembly is located the both sides of drive casing, and bracket assembly includes "T" shape backup pad, arc backup pad, a plurality of fixed pulley, and the opening of "T" shape backup pad is upwards, "the both sides and the arc backup pad fixed connection of the upper end of" T "shape backup pad, a plurality of fixed pulley evenly distributed are in the arc backup pad, and the fixed pulley contacts with the drive casing to support the drive casing through the combined action of fixed pulley and arc backup pad.
3. The fully automatic GIS vibration detection system of claim 2 wherein: vibration detection device is including detecting support, at least three vibration sensor, detects the support and is the arc, detects the inboard of support and drive casing and can dismantle and be connected, and vibration sensor evenly distributed is on detecting the support, and vibration sensor along the radial setting that detects the support, and vibration sensor's signal output part and external vibration analytic system electric connection to carry out GIS failure analysis with vibration signal to vibration analytic system.
4. The fully automatic GIS vibration detection system of claim 3 wherein: the drive shell comprises two semi-cylindrical arc shells, connecting plates are arranged on two sides of each arc shell, a plurality of through holes are formed in each connecting plate so that the two arc plates are fixed through bolts and nuts, a rack is arranged on the outer side of each arc shell, the arc shells are meshed with the drive gear through the racks, one arc shell is detachably connected with the vibration detection device, and the vibration detection device is driven to rotate.
5. The fully automatic GIS vibration detection system of claim 4 wherein: the inner side of the arc-shaped shell is provided with a plurality of threaded support columns, correspondingly, the detection support is provided with a plurality of through holes, the detection support is sleeved on the threaded support columns, the threaded support columns are further provided with two nuts, and the two nuts are respectively located on two sides of the threaded support columns so as to adjust the distance between the detection support and the arc-shaped shell.
6. The fully automatic GIS vibration detection system of claim 5 wherein: the base still is equipped with elevating system, and elevating system includes lift platform, lifting screw, worm wheel, worm, handle, four scalable stands, lift platform's upper end and bracket assembly fixed connection, lift platform's lower extreme and lifting screw's upper end fixed connection, and lifting screw's lower extreme and worm wheel cover are established and are connected, and the worm wheel is connected with the one end meshing of worm, the other end and the handle fixed connection of worm, the upper end and the lift platform fixed connection of scalable stand, the lower extreme and the base fixed connection of scalable stand, during the use, through turning handle in order to adjust lift platform's lift.
7. The fully automatic GIS vibration detection system of claim 1 wherein: the bottom of base still is equipped with the walking wheel to the base removes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664300.5A CN111720748A (en) | 2020-07-10 | 2020-07-10 | Full-automatic GIS vibration detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010664300.5A CN111720748A (en) | 2020-07-10 | 2020-07-10 | Full-automatic GIS vibration detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111720748A true CN111720748A (en) | 2020-09-29 |
Family
ID=72572328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010664300.5A Pending CN111720748A (en) | 2020-07-10 | 2020-07-10 | Full-automatic GIS vibration detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111720748A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702781A (en) * | 2021-08-26 | 2021-11-26 | 河北冀研能源科学技术研究院有限公司 | GIS equipment partial discharge detection device |
| CN114019428A (en) * | 2021-11-09 | 2022-02-08 | 广东电网有限责任公司电力科学研究院 | GIL shell magnetic field measuring device |
| CN114216556A (en) * | 2021-11-18 | 2022-03-22 | 广东电网有限责任公司电力科学研究院 | Arc-shaped vibration sensing device suitable for GIL shell and vibration detection method thereof |
-
2020
- 2020-07-10 CN CN202010664300.5A patent/CN111720748A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702781A (en) * | 2021-08-26 | 2021-11-26 | 河北冀研能源科学技术研究院有限公司 | GIS equipment partial discharge detection device |
| CN114019428A (en) * | 2021-11-09 | 2022-02-08 | 广东电网有限责任公司电力科学研究院 | GIL shell magnetic field measuring device |
| CN114019428B (en) * | 2021-11-09 | 2023-05-23 | 广东电网有限责任公司电力科学研究院 | GIL (gas insulated switchgear) shell magnetic field measuring device |
| CN114216556A (en) * | 2021-11-18 | 2022-03-22 | 广东电网有限责任公司电力科学研究院 | Arc-shaped vibration sensing device suitable for GIL shell and vibration detection method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111720748A (en) | Full-automatic GIS vibration detection system | |
| CN104767153B (en) | Intelligent insulation wire puncturing grounding clamp | |
| CN218723811U (en) | Concentricity testing device of rotor | |
| CN112414284B (en) | Metal container bottom flatness detection device | |
| CN212298595U (en) | Full-automatic GIS vibration detection system | |
| CN105006661A (en) | Grounding device | |
| CN219657735U (en) | Motor test frame | |
| CN209167462U (en) | A kind of high-voltage power cable nondestructive detection device | |
| CN112067956A (en) | Ultrasonic probe fixing device | |
| CN115656563A (en) | Distribution network cable live-line detection insulation defect device | |
| CN217984287U (en) | Disassembling tool based on replacement of post insulator | |
| CN113607223B (en) | Detection device for motor shaft | |
| CN217304330U (en) | Movable pressure pipeline connector quality nondestructive testing device | |
| CN214502401U (en) | Building structure crack width detection device | |
| CN213240349U (en) | Test platform for offshore wind turbine double-drive pitch-variable system test | |
| CN210464928U (en) | Maximum bearing capacity detection table for motor production | |
| CN111085974B (en) | Auxiliary installation device of sulfur hexafluoride switch in electrical cabinet | |
| JP2002184761A (en) | Plasma processing apparatus, method of assembling and disassembling thereof and jig for exclusive use for it | |
| CN112269073A (en) | Test platform for offshore wind turbine double-drive pitch-variable system test | |
| CN210802348U (en) | Pointer type car wheel side wall detection device based on gear rack | |
| CN221165496U (en) | Device for testing rotating speed of elevator traction machine | |
| CN116460068B (en) | Follow-up detection module for medium-voltage sensor production line | |
| CN111679036A (en) | Environment detection device mounting frame | |
| CN213023498U (en) | Voltage withstand test device of switching power supply | |
| CN214040634U (en) | Rolling bearing fault detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |