CN105548221A - Online composite insulator X ray scanning robot - Google Patents
Online composite insulator X ray scanning robot Download PDFInfo
- Publication number
- CN105548221A CN105548221A CN201510872696.1A CN201510872696A CN105548221A CN 105548221 A CN105548221 A CN 105548221A CN 201510872696 A CN201510872696 A CN 201510872696A CN 105548221 A CN105548221 A CN 105548221A
- Authority
- CN
- China
- Prior art keywords
- composite insulator
- guide rail
- pulley
- movable motor
- ray
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/646—Specific applications or type of materials flaws, defects
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electric Cable Installation (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses an online composite insulator X ray scanning robot. The robot comprises an automatic walking mechanism arranged on a shell (8), an X ray detection mechanism, and a computer on the ground; the automatic walking mechanism moves up and down along a guide rail (7), which is arranged on two sides of a vertical string of composite insulators (1); a X ray detection mechanism scans the composite insulators (1) at intervals and sends to scanning information to the computer on the ground so as to obtain the X ray image of continuously scanned composite insulator (1) after reconstruction; and the X ray image can be used to analyze the defects of the composite insulators (1). The robot has the advantages of simple structure and convenient operation, can detect the online composite insulators (1), which are in operation, under a charged state, and is capable of accurately finding various defects of the composite insulators (1) during the operation process in time.
Description
Technical field
Patent of the present invention relates to a kind of isolator detecting mechanism, particularly a kind of online composite insulator x-ray scanning robot.
Background technology
Composite insulator is applied widely because the many merits such as lightweight, intensity is high, resistance to pollution flashover performance is strong, easily manufactured obtains in electric system.The safe operation that the use of composite insulator is electrical network serves positive effect, but composite insulator in use silicone rubber jacket, insulation mandrel, silicon rubber umbrella skirt and gold utensil generation surface carbonation, cracking or its connecting portion produces the defects such as cracking, layering, thus cause composite insulator to break down, and along with working time and the increase running quantity, the probability that composite insulator breaks down also increases gradually.Such as: once in East China, there are 15 interface breakdown accidents in North China, there are 23 pollution flashover accidents in Guangdong, East China, North China.In order to prevent composite insulator accident, must detect operating composite insulator in good time and change.
The main method by directly observing carries out walkaround inspection to composite insulator external physical defect at present, namely observe to find that common surface imperfection is if the positions such as sheath, full skirt, gold utensil are with or without ftractureing, with or without galvanic corrosion damage, efflorescence, tracking etc., should changing composite insulator immediately if any above phenomenon under tower with binoculars; Ground observation also needs to step on tower and detects time reliable not, this maintenance service is difficult to find that interior insulation fault is as dendroid passage etc.; In order to make up the deficiency of daily walkaround inspection, also the time limit that composite insulator runs is pressed in real work, carry out sampling to composite insulator to change, test in laboratory is carried out to the composite insulator changed, result according to sampling Detection carries out batch replacement to defective composite insulator, the method of test in laboratory has ultraviolet image method, infrared imaging method, Electric Field Distribution method, supersonic testing method etc., these detection methods respectively have relative merits, but be all confined to use in laboratory, cannot detect operating online composite insulator.
At present to the detection technique means that operating online composite insulator is not also suitable for, cannot detect accurately, timely and change in operational process the composite insulator producing defect.
Summary of the invention
Object of the present invention designs a kind of online composite insulator x-ray scanning robot exactly, can detect operating online composite insulator, the various defects that discovery composite insulator promptly and accurately produces at operational process, to change in time the insulator producing defect.
Technical scheme of the present invention is, online composite insulator x-ray scanning robot, is characterized in that: comprise automatic traveling mechanism, X-ray check mechanism and receiving control device; Automatic traveling mechanism is made up of two that are positioned at vertical string composite insulator both sides parallel guide rails and two groups of pulleys of creeping on guide rail, and guide rail is perpendicular to the ground, and the upper end of guide rail is connected on cross-arm; Often organize pulley and have two pulleys be arranged on side by side on the outer wall of ∪ shell body both sides, the wheel rim of two pulleys, to withstanding on guide rail, the pulley spindle often organizing pulley is connected with movable motor; The imager that X-ray check mechanism comprises main frame and is electrically connected with main frame, main frame and imager are separately positioned on the relative both sides inwall of ∪ shell body, and composite insulator is through the ∪ type frame of this housing; Housing is also provided with power supply and controller, and power supply gives movable motor, controller and host supplying power respectively, and controller is electrically connected with movable motor and main frame, and controller control lines walks motor action and the scanning of X-ray check mechanism; Controller and main frame are connected to wireless communication interface, receiving control device is one and is positioned at the computing machine of ground with wireless communication interface, the scanning information that computing machine returns to wirelessly controller transmit operation instruction and Receiving Host transmission, and analyzing and processing is carried out to scanning information;
Often organizing on a pulley spindle in pulley and be connected with movable motor, often organizing the wheel rim of pulley by two pulleys to withstanding on guide rail, movable motor rotating band running block along slide creeping, the movable motor run-in synchronism of housing both sides pulley blocks;
Guide rail is about two stretching insulating cords, wherein the upper end of every root insulating cord is connected on cross-arm, lower end fixes on the ground, the wheel rim often organizing two pulleys of pulley is provided with wire casing, two pulleys are by wire casing to withstanding on insulating cord, and movable motor rotating band running block is creeped along insulating cord.
Advantage of the present invention is: structure is simple, easy and simple to handle, can when charged, check out that online surface of composite insulator weathers with or without full skirt, roughening, flashover, cracking timely and accurately, check out that outer covering layer is with or without defect and surface filth degree such as the groove corroded, vestige, cracking, fragmentation, plug expose, detecting composite insulator inside has air-gap-free or electroluminescent carbon trace, crackle or the defect such as damage, joint looseness.Real-time prediction composite insulator running status, for transmission line of electricity safe operation provides technical support.
Accompanying drawing explanation
Fig. 1: x-ray scanning robot architecture front view of the present invention;
Fig. 2: x-ray scanning robot architecture left view of the present invention;
Fig. 3: x-ray scanning robot architecture vertical view of the present invention;
Fig. 4: structure of the present invention and workflow block diagram.
In figure: 1-composite insulator; 2-cross-arm; 3-controller; 4-main frame; 5-movable motor; 6-pulley; 7-guide rail; 8-housing; 9-imager; 10-power supply.
Embodiment
As shown in Fig. 1 to Fig. 4, online composite insulator x-ray scanning robot of the present invention comprises automatic traveling mechanism, X-ray check mechanism and the receiving control device being positioned at ground, patent of the present invention detects for the composite insulator 1 of vertical string, composite insulator 1 is hung vertically on cross-arm 2, automatic traveling mechanism is made up of two that are positioned at vertical string composite insulator 1 both sides parallel guide rails 7 and the two groups of pulleys be arranged on the outer wall of ∪ shell body 8 both sides, the upper end of every root guide rail 7 is connected on cross-arm 2 and guide rail 7 is perpendicular to the ground, guide rail 7 adopts light weight insulating material.Often organize pulley and have two pulleys 6 be arranged on side by side on the outer wall of ∪ shell body both sides, the wheel rim of two pulleys 6 is to withstanding on guide rail 7, one of them pulley spindle often organizing pulley is connected with movable motor 5, rotate drive two pulleys 6 by movable motor 5 to rotate, because the friction force between guide rail 7 and two pulley 6 wheel rims exists, thus pulley blocks can be made to creep along guide rail 7, the movable motor 5 of housing 8 both sides pulley blocks is arranged to synchronous operation, then housing 8 entirety can upwards or move down along two side rails 7; The form of guide rail 7 can have multiple, and in the present embodiment, guide rail 7 adopts two insulating cords, and the upper end of every root insulating cord ties up on cross-arm 2, and the stretching posterior end of insulating cord is fixed on ground; The wheel rim often organizing two pulleys 6 of pulley is provided with the wire casing that cross section is semi arch, two pulleys 6 by wire casing to withstanding on insulating cord, the arc diameter of wire casing and the thickness of insulating cord adapt, the degree of depth of wire casing is less than the radius of insulating cord, can ensure wire casing top power is all acted on insulating cord like this, and the wheel rim of two pulleys 6 directly can not contact; Owing to having friction force between insulating cord and two pulley 6 wheel rim wire casings, movable motor 5 rotating band running block is creeped along insulating cord, different according to the rotation direction of movable motor 5, and pulley blocks can along insulating cord upwards or move down; Movable motor 5 due to housing 8 both sides runs synchronously, thus make housing 8 along both sides two insulating cords upwards or move down.
X-ray check mechanism adopts split type back yard industry to detect X-ray machine, the imager 9 that X-ray check mechanism is comprised main frame 4 and is connected by cable with main frame, X-ray check mechanism is arranged in housing 8, main frame 4 and imager 9 are separately positioned on the relative inwall in housing ∪ type both sides, the ∪ type frame circumferential hoop of housing 8 is around the periphery of composite insulator 1, composite insulator 1 is through the ∪ type frame of housing 8, such composite insulator 1 is just between main frame 4 and imager 9, and the X ray that main frame 4 is launched is through imaging on imager 9 after composite insulator 1.X-ray machine uses digital imagery principle, that X-RAY pipe produces fan-shaped plan X ray to carry out scanning projection, and be directly converted to digital signal, be specially X-ray beam to scan by certain thickness aspect composite insulator 1 each several part, the X ray through this aspect is received by imager 9, after changing visible ray into, electric signal is become from light signal conversion, digital signal is transferred to again through analog/digital converter (analog/digitalconverter), this digital signal is transferred to the receiving control device being positioned at ground wirelessly by the wireless communication interface on main frame 4, after carrying out process computing by the receiving control device computing machine being positioned at ground, form the x-ray scanning image of composite insulator 1, thus the defect situation of composite insulator 1 is analyzed for technician.
Housing 8 is also provided with power supply 10 and controller 3, and power supply 10 powers to respectively movable motor 5, controller 3 and main frame 4, and controller 3 is electrically connected with movable motor 5 and main frame 4, and controller 3 controls movable motor 5 action and the intermittent scanning of X-ray check mechanism; Controller 3 and main frame 4 are connected to wireless communication interface, ground receiver control device is a computing machine with wireless communication interface, transmit the scanning information of returning to wirelessly controller 3 transmit operation instruction and Receiving Host 4, and analyzing and processing is carried out to defect information.
Described in this patent, the course of work of online composite insulator is: first the upper end of two insulating cords as guide rail 7 is tied up on cross-arm 2, two insulating cords are each passed through the wheel rim wire casing of two of housing 8 both sides pulleys 6 side by side, insulating cord be held in two pulleys 6 wheel rim wire casing between, the dynamics adjustment held is suitable, again stretching for insulating cord posterior end is fixed on ground, two insulating cords are parallel and be positioned at vertical string composite insulator 1 both sides needing to detect; The ∪ type frame circumferential hoop of housing 8 is around the periphery of composite insulator 1, and composite insulator 1 is through the ∪ type frame of housing 8, and composite insulator 1 is between main frame 4 and imager 9; Instruction is sent by the computing machine being positioned at ground, controller 3 receives this instruction by wireless communication interface, the movable motor 5 controlling automatic traveling mechanism operates, make housing 8 along insulating cord guide rail 7 upwards or move down, carry out x-ray scanning by controller 3 main control system 4 pairs of composite insulators 1 to take pictures simultaneously, in order to reduce electrical source consumption, scan the mode taking interval to take pictures, determine the interval time of taking pictures according to the speed of automatic traveling mechanism motion, each several part of composite insulator string all can be scanned; The digital signal of light signal after analog to digital conversion of x-ray scanning is sent to the computing machine of ground receiver control device wirelessly by the wireless communication interface of main frame, obtain the x-ray image of the composite insulator 1 of the continuous sweep after rebuilding after computer disposal; Technician analyzes the defect situation of composite insulator 1 according to the x-ray image of composite insulator 1, thus changes in time defective composite insulator 1.
Claims (3)
1. online composite insulator x-ray scanning robot, is characterized in that: comprise automatic traveling mechanism, X-ray check mechanism and receiving control device; Automatic traveling mechanism is vertically gone here and there the parallel guide rail (7) of two of composite insulator (1) both sides and two groups of pulleys of creeping on guide rail (7) form by being positioned at, guide rail (7) is perpendicular to the ground, and the upper end of guide rail (7) is connected on cross-arm (2); Often organize pulley and have two pulleys (6) be arranged on side by side on the outer wall of ∪ shell body (8) both sides, the wheel rim of two pulleys (6), to withstanding on guide rail (7), the pulley spindle often organizing pulley is connected with movable motor (5); The imager (9) that X-ray check mechanism comprises main frame (4) and is electrically connected with main frame, main frame (4) and imager (9) are separately positioned on the relative both sides inwall of ∪ shell body (8), and composite insulator (1) is through the ∪ type frame of this housing (8); Housing (8) is also provided with power supply (10) and controller (3), power supply (10) gives the power supply of movable motor (5), controller (3) and main frame (4) respectively, controller (3) is electrically connected with movable motor (5) and main frame (4), and controller (3) controls movable motor (5) action and the scanning of X-ray check mechanism; Controller (3) and main frame (4) are connected to wireless communication interface, receiving control device is one and is positioned at the computing machine of ground with wireless communication interface, computing machine transmits the scanning information of returning to wirelessly controller (3) transmit operation instruction and Receiving Host (4), and carries out analyzing and processing to scanning information.
2. online composite insulator x-ray scanning robot according to claim 1, it is characterized in that: often organize on a pulley spindle in pulley and be connected with movable motor (5), often organize the wheel rim of pulley by two pulleys (6) to withstanding on guide rail (7), movable motor (5) rotating band running block is creeped along guide rail (7), movable motor (5) run-in synchronism of housing (8) both sides pulley blocks.
3. online composite insulator x-ray scanning robot according to claim 1, it is characterized in that: guide rail (7) is about two stretching insulating cords, wherein the upper end of every root insulating cord is connected on cross-arm (2), lower end fixes on the ground, the wheel rim often organizing two pulleys (6) of pulley is provided with wire casing, two pulleys (6) are by wire casing to withstanding on insulating cord, and movable motor (5) rotating band running block is creeped along insulating cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872696.1A CN105548221B (en) | 2015-12-02 | 2015-12-02 | Online composite insulator x-ray scanning robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510872696.1A CN105548221B (en) | 2015-12-02 | 2015-12-02 | Online composite insulator x-ray scanning robot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105548221A true CN105548221A (en) | 2016-05-04 |
| CN105548221B CN105548221B (en) | 2019-04-05 |
Family
ID=55827558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510872696.1A Expired - Fee Related CN105548221B (en) | 2015-12-02 | 2015-12-02 | Online composite insulator x-ray scanning robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105548221B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104389A (en) * | 2017-07-07 | 2017-08-29 | 国网湖南省电力公司带电作业中心 | A kind of live detection and detection and the clearing apparatus for cleaning integrated robot |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19727219A1 (en) * | 1996-11-12 | 1998-05-14 | Siemens Ag | Measurement system with row of detectors for computerised tomography |
| CN2312050Y (en) * | 1997-10-30 | 1999-03-31 | 钱旭炜 | Guy-rope climbing apparatus |
| RU2137519C1 (en) * | 1998-11-24 | 1999-09-20 | Козлов Виктор Алексеевич | Lifting and lowering apparatus |
| AU2003281293A1 (en) * | 2002-07-05 | 2004-01-23 | Isis Innovation Limited | Conical specimen holder engaging mechanically a heating element comprising a conical bore |
| CN101828926A (en) * | 2009-03-10 | 2010-09-15 | 麦迪国际株式会社 | Rail system and X-ray imaging apparatus using the same |
| CN202833757U (en) * | 2012-09-12 | 2013-03-27 | 南京南化建设有限公司 | Rope bundle one-way movement control mechanism with ratchet wheel |
| CN103048344A (en) * | 2012-12-18 | 2013-04-17 | 丹东奥龙射线仪器有限公司 | X-ray automatic detection device for air storage tank |
| CN203324826U (en) * | 2013-06-05 | 2013-12-04 | 中国石油天然气股份有限公司 | Automatic lifting rotary positioning device of X-ray detector |
| CN203422326U (en) * | 2013-07-26 | 2014-02-05 | 上海岩土工程勘察设计研究院有限公司 | Shooting device for interior of hollow pile hole |
| CN103674774A (en) * | 2013-11-20 | 2014-03-26 | 国家电网公司 | Basin-type insulator density uniformity testing method |
| CN203550929U (en) * | 2013-10-25 | 2014-04-16 | 上海飞乐机械制造有限公司 | X-ray machine stroke testing device |
| CN103837576A (en) * | 2014-03-05 | 2014-06-04 | 国家电网公司 | On-line air-hanging insulator lifting device |
| CN203672803U (en) * | 2014-01-13 | 2014-06-25 | 中国核工业二三建设有限公司 | Device for X-ray machineflaw detection |
| CN204255273U (en) * | 2014-10-28 | 2015-04-08 | 浙江吉利控股集团有限公司 | A kind of automobile skid is out of shape online cubing |
| EP2889252A1 (en) * | 2013-12-27 | 2015-07-01 | Zedel | Improved hoisting device |
-
2015
- 2015-12-02 CN CN201510872696.1A patent/CN105548221B/en not_active Expired - Fee Related
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19727219A1 (en) * | 1996-11-12 | 1998-05-14 | Siemens Ag | Measurement system with row of detectors for computerised tomography |
| CN2312050Y (en) * | 1997-10-30 | 1999-03-31 | 钱旭炜 | Guy-rope climbing apparatus |
| RU2137519C1 (en) * | 1998-11-24 | 1999-09-20 | Козлов Виктор Алексеевич | Lifting and lowering apparatus |
| AU2003281293A1 (en) * | 2002-07-05 | 2004-01-23 | Isis Innovation Limited | Conical specimen holder engaging mechanically a heating element comprising a conical bore |
| CN101828926A (en) * | 2009-03-10 | 2010-09-15 | 麦迪国际株式会社 | Rail system and X-ray imaging apparatus using the same |
| CN202833757U (en) * | 2012-09-12 | 2013-03-27 | 南京南化建设有限公司 | Rope bundle one-way movement control mechanism with ratchet wheel |
| CN103048344A (en) * | 2012-12-18 | 2013-04-17 | 丹东奥龙射线仪器有限公司 | X-ray automatic detection device for air storage tank |
| CN203324826U (en) * | 2013-06-05 | 2013-12-04 | 中国石油天然气股份有限公司 | Automatic lifting rotary positioning device of X-ray detector |
| CN203422326U (en) * | 2013-07-26 | 2014-02-05 | 上海岩土工程勘察设计研究院有限公司 | Shooting device for interior of hollow pile hole |
| CN203550929U (en) * | 2013-10-25 | 2014-04-16 | 上海飞乐机械制造有限公司 | X-ray machine stroke testing device |
| CN103674774A (en) * | 2013-11-20 | 2014-03-26 | 国家电网公司 | Basin-type insulator density uniformity testing method |
| EP2889252A1 (en) * | 2013-12-27 | 2015-07-01 | Zedel | Improved hoisting device |
| CN203672803U (en) * | 2014-01-13 | 2014-06-25 | 中国核工业二三建设有限公司 | Device for X-ray machineflaw detection |
| CN103837576A (en) * | 2014-03-05 | 2014-06-04 | 国家电网公司 | On-line air-hanging insulator lifting device |
| CN204255273U (en) * | 2014-10-28 | 2015-04-08 | 浙江吉利控股集团有限公司 | A kind of automobile skid is out of shape online cubing |
Non-Patent Citations (1)
| Title |
|---|
| 闫文斌,王达达等: "X射线对复合绝缘子内部缺陷的透照检测和诊断", 《高压电器》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107104389A (en) * | 2017-07-07 | 2017-08-29 | 国网湖南省电力公司带电作业中心 | A kind of live detection and detection and the clearing apparatus for cleaning integrated robot |
| CN107104389B (en) * | 2017-07-07 | 2018-08-07 | 国网湖南省电力公司带电作业中心 | A kind of detection and the clearing apparatus of live detection and cleaning integrated robot |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105548221B (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103792238B (en) | A kind of porcelain suspended insulator defect diagnostic method | |
| CN202649815U (en) | Transformer substation panorama automation inspection system based on robot technology | |
| CN101378092B (en) | Solar battery and component subfissure detection device and test method | |
| CN105067909A (en) | Insulator live-line detection and cleaning integrated robot | |
| CN204514361U (en) | A kind of bow net operating state monitoring system | |
| CN110253531B (en) | Detection robot and system for double-bundle carbon fiber wire and operation method | |
| CN107092251B (en) | The automatic station-keeping system and method for the unmanned inspection car of railway based on image recognition | |
| CN104931586A (en) | Detection system of intelligent insulator detecting robot | |
| Yaman et al. | Auto correlation based elevator rope monitoring and fault detection approach with image processing | |
| CN110137846A (en) | Aerial carbon-fibre wire detection robot and multi-angle method of detection | |
| CN108695767A (en) | A kind of high voltage distribution network cable automatic inspection device | |
| CN105846544B (en) | High-tension bus-bar remote monitoring system | |
| CN105548221A (en) | Online composite insulator X ray scanning robot | |
| Wang et al. | A survey on insulator inspection robots for power transmission lines | |
| CN107449791A (en) | A kind of the cannot-harm-detection device and its method of carbon fibre composite wire plug | |
| CN108107330A (en) | A kind of insulator leakage current and zero-value detection device | |
| CN111398303A (en) | Railway power supply insulator contamination online detection system | |
| CN206892663U (en) | A kind of power transmission line sag measures walking dolly | |
| CN102607416A (en) | Double-post support detection system for detecting bottoms of structures | |
| CN102435920A (en) | Portable comprehensive tester for testing surface insulation property of silicone rubber composite insulating sleeve | |
| CN109759738A (en) | A kind of online integral solder quality detection device and its method | |
| CN205192984U (en) | Transmission line combined material shaft tower nondestructive test device | |
| CN204557767U (en) | A kind of bow net operating state monitoring system | |
| CN106908516A (en) | The ultrasonic phase array measuring device with electricity and detection method of composite insulator defect | |
| CN205427120U (en) | Power transmission line insulator discharge detection device based on GPS |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20190405 Termination date: 20191202 |