CN106404812A - Online detecting method for strain clamp of high-tension transmission line - Google Patents
Online detecting method for strain clamp of high-tension transmission line Download PDFInfo
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- CN106404812A CN106404812A CN201610949212.3A CN201610949212A CN106404812A CN 106404812 A CN106404812 A CN 106404812A CN 201610949212 A CN201610949212 A CN 201610949212A CN 106404812 A CN106404812 A CN 106404812A
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- 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
- G01N23/06—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 measuring the absorption
- G01N23/18—Investigating the presence of flaws defects or foreign matter
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention provides an online detecting method for the crimping quality of the strain clamp of a high-tension transmission line. The online detecting method is characterized in that aiming at the hidden danger of the crimping quality of the strain clamp of the high-tension transmission line, X-ray DR detecting equipment and a support regulating rack are mounted on two sides of the strain clamp so as to perform internal detection on the crimping positioning of the strain clamp and a steel-cored aluminum strand, a digital imaging plate performs wireless transmission, the internal structure, namely the relative positions of the wire aluminum strain, a steel core, a wire clamp aluminum sleeve and a wire clamp steel rod, can be clearly displayed in a laptop, the internal defect can be discovered by comparing with the DL/T 5285-2013 Power Transmission and Transformation Overhead Wire and Ground Wire Hydraulic Crimping Technological Procedure, and a reasonable and effective solution can be provided. The online detecting method has the advantages that the hidden danger of the strain clamp of the transmission line can be discovered without destroying the strain clamp, the corresponding solution can be provided, potential safety hazard of power transmission, operation and maintenance is lowered greatly, and power transmission benefits are increased.
Description
Technical field
The present invention relates to electric power transmission line safety testing field is and in particular to high-voltage power line tension wire clamp crimps matter
The lossless detection method of amount.
Background technology
With the fast development of China's power industry, many batches of high pressure, extra high voltage line are built successively, due to electric pressure
High, circuit is intricate, and often has acrossing highway, high ferro circuit, important passway for transmitting electricity etc..So, the safety to circuit
Property, stability, economy are put forward higher requirement.However, the crimping construction of strain clamp belongs to concealed work, wire clamp interior
Portion's crimping defect and crimping positioning defect cannot normally detect, lead to the safety at wire clamp position to there is certain hidden danger, and line
Folder portion position line-outage contingency happens occasionally, and so that the safety of transmission line of electricity, stability is cannot be guaranteed.
Content of the invention
It is an object of the invention to provide a kind of practical, easy strain clamp crimp quality detection method, using X-ray DR
Detection technique equipment, carries out live on-line checking to tension-resistance cleat for transmission line crimp quality, clearly shows that inside strain clamp
Structure, including the relative position of inner lead aluminum stock, steel core, wire clamp aluminum casing and rod iron, finds to make because compression joint technique is bad
The internal flaw becoming, the potential safety hazard of correct reflection crimping construction quality and presence.
Technical scheme
1）Adjustable supporter is positioned over scene online stoppage in transit tension-resistance cleat for transmission line both sides to be detected；
2）Install X-ray DR testing equipment and digital imaging plate, and radio communication device；
3）According to the different model of strain clamp, adjust the distance setting X-ray DR testing equipment and strain clamp, digital image
Plate is placed in outside strain clamp, and ensures that three is in same horizontal line all the time, and testing equipment radiographic source and strain clamp are in
Imaging plate center；
4）Set radiographic source tube voltage, time of exposure；
5）Dispose after the completion of setting, be exposed by wireless remote control outside safe distance, carry out X-ray by being wirelessly transferred
Collection；
6）By step 5）Obtained in strain clamp internal structure detection image and standard（DL/T 5285-2013《Power transmission and transformation frame
Hollow wire and ground wire hydraulic compression-fitting joint process code》）The strain clamp image of internal structure requiring is contrasted, and analyzes it internal scarce
Fall into.
The feature of the present invention
1）The method is lossless detection method, need not destroy the inspection that can complete wire clamp internal structure and each spots localization, row
Except potential risk；
2）Simplify condition and the requirement of conventional ray test using X-ray DR detection technique, without lead room, bottom need not be rinsed
Piece；
3）Equipment is simply efficient, portable can be operated to scene, by wireless remote control control, is wirelessly transferred, carries out X-ray
Collection；
4）Detection means is good fit with testing equipment, can according to site environment, detection model, realize quick and easy dispose with
Detection；
5）X-ray is wirelessly transmitted to hand-held computer by digitized radiation imaging apparatus, after can clearly showing strain clamp crimping
Internal structure, especially inner lead aluminum stock, the relative position of steel core, wire clamp aluminum casing and wire clamp rod iron, reliable raising is transmitted electricity
The safe and stable operation of circuit；
6）It is simple, reasonable in design, flexible that this detection method and detection means have a structure, is easy to operate, and economical and practical, is suitable for
It is widely popularized.
Brief description
Fig. 1 is strain clamp crimp quality detection means schematic diagram；
Fig. 2 is strain clamp crimp quality scene on-line checking flow chart；
Wherein, in Fig. 1,1：X-ray source generator；2：X-ray source generator transmitting terminal；3：Strain clamp to be detected；4：Number
Word imaging plate；5：X-ray source generator and digital image plate Adjustable supporter.
Specific embodiment
For making the above-mentioned purpose of the present invention, feature, advantage etc. become apparent from, understandable, below in conjunction with the accompanying drawings, the present invention is had
Body embodiment is described in further detail.
Accompanying drawing 1 is strain clamp crimp quality detection means schematic diagram, by X-ray source generator 1, X-ray source generator
Transmitting terminal 2, strain clamp to be detected 3, digital image plate 4, X-ray source generator and 5 groups of digital image plate Adjustable supporter
Become, patent of the present invention is detected for strain clamp 3, strain clamp 3 to be detected is located at X-ray source generator 1 and is become with numeral
Between picture plate 4, it is close to digital image plate 4 and three is in same horizontal line, set X-ray source generator transmitting terminal 2
Firing angle degree, and keep level, set X-ray source generator 1 tube voltage, set digital image plate 4 according to strain clamp 3 to be detected
With the distance of X-ray source generator 1, after the completion of setting, detected.
Accompanying drawing 2 is strain clamp crimp quality scene on-line checking flow chart, and the method for the present invention is as follows：First, it is determined that
Site environment and wire clamp model to be detected, place Adjustable supporter, install testing equipment, and radiographic source is in center, set
Radiographic source tube voltage, transmitting terminal launch angle, and digital image plate is close to wire clamp, three is in same horizontal line all the time,
Set imaging plate and radiographic source distance；Secondly, check radiographic source wireless remote control communication signal, check digital image plate with portable
Computer wireless signal of communication, X-ray image normally receives；Outside safe distance, radiographic source is remotely controlled, is exposed, X-ray
Piece real-time Transmission, to hand-held computer, is analyzed contrasting, light tablet quality well carries out next step, and otherwise, return re-starts
Adjust, until the X-ray picture quality required for meeting；Finally, X-ray editor's preservation, analysis, final report are carried out.
In conjunction with accompanying drawing 2, the specific works of this patent are described as follows：
Select Henan Electric Power System 1000kV strain section Overhaul site to carry out detection to implement, strain section wire type is LGJ-630/
45, strain clamp model NY-630/45；Detected using X-ray DR detection technique equipment and digital image plate.
1）First, site environment is tested judgement, by electric pressure, strain clamp is judged.
2）Select rational position, place, fix Adjustable supporter, X-ray DR detection technique BJI-1 equipment is become with numeral
As plate is laid, fixed, digital image plate is affixed with wire clamp to be detected next-door neighbour, is in center, and three keeps level consistent.
3）Debugging, inspection X-ray DR detection radiographic source remote control and X-ray wireless real-time transmission device.
4）Set x-ray source generator tube voltage 120kV, launch post angle 60.
5）Adjust digital image plate and radiogenic distance, at a distance of setting 800mm.
6）Outside safe distance, wireless remote control radiographic source, expose 5s.
7）X-ray wireless real-time transmission is to hand-held computer.
8）Check X-ray image quality, if image quality is qualified, carry out next step；If image quality is unqualified, return weight
Step 3 in operation Fig. 2 again, till qualified.
9）X-ray is entered with edlin preserve, after the completion of, X-ray is analyzed, report summary.
Finally, when to illustrate, above example only so that technical scheme to be described, is not intended to limit, affiliated neck
Domain it is to be appreciated by one skilled in the art that the specific embodiment of the present invention being modified with reference to above-mentioned implementation of class or waiting
With replacing, any modification without departing from spirit and scope of the invention or replace all apply for pending claims it
Interior.
Claims (2)
1. a kind of high-voltage power line tension wire clamp online test method, its technical characteristic：By X-ray source generator 1, X-ray
Source generator transmitting terminal 2, strain clamp to be detected 3, digital image plate 4, X-ray source generator and digital image plate support and adjust
Section frame 5 forms, and patent of the present invention is detected for strain clamp 3, strain clamp 3 to be detected be located at X-ray source generator 1 and
Between digital image plate 4, it is close to digital image plate 4 and three is in same horizontal line, set X-ray source generator transmitting terminal
Sub 2 launch angles, and keep level, X-ray source generator 1 tube voltage is set according to strain clamp 3 to be detected, setting numeral becomes
As the distance of plate 4 and X-ray source generator 1, after the completion of setting, detected.
2. a kind of high-voltage power line tension wire clamp online test method, its object is to tension-resistance cleat for transmission line is examined
Survey, this technical method is：
1）Adjustable supporter is positioned over scene online stoppage in transit tension-resistance cleat for transmission line both sides to be detected；
2）X-ray DR testing equipment and digital imaging plate are installed, and radio communication device；
3）According to the different model of strain clamp, set the distance of X-ray DR testing equipment and strain clamp, digital image plate is put
On rear side of strain clamp, and ensure that three is in same horizontal line, X-ray source generator and strain clamp are in imaging plate
The heart；
4）Set radiographic source tube voltage, transmitting terminal launch angle；
5）Set radiographic source time of exposure；
6）After the completion of arrangement, it is exposed by wireless remote control outside safe distance, carry out X-ray collection by being wirelessly transferred；
7）By step 6）Obtained in strain clamp internal structure detection image and standard（DL/T 5285-2013《Power transmission and transformation frame
Hollow wire and ground wire hydraulic compression-fitting joint process code》）The strain clamp image of internal structure requiring is contrasted, and analyzes it internal scarce
Fall into, and carry out report summary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949212.3A CN106404812A (en) | 2016-10-27 | 2016-10-27 | Online detecting method for strain clamp of high-tension transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610949212.3A CN106404812A (en) | 2016-10-27 | 2016-10-27 | Online detecting method for strain clamp of high-tension transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106404812A true CN106404812A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610949212.3A Withdrawn CN106404812A (en) | 2016-10-27 | 2016-10-27 | Online detecting method for strain clamp of high-tension transmission line |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167480A (en) * | 2017-05-24 | 2017-09-15 | 贵州电网有限责任公司电力科学研究院 | The method of DR digital radial static timing image checking GIS devices |
| CN107741434A (en) * | 2017-12-15 | 2018-02-27 | 河南送变电建设有限公司 | A kind of conductor compression jointing quality inspection portable X-ray image device and quality detecting method |
| CN107796877A (en) * | 2017-11-01 | 2018-03-13 | 国网辽宁省电力有限公司电力科学研究院 | Utilize the lossless detection method of ultrasonic phase array detection strain clamp crimp quality |
| CN108519393A (en) * | 2018-04-18 | 2018-09-11 | 国网天津市电力公司电力科学研究院 | Unmanned machine detecting device and application method suitable for three cross-line road strain clamps |
| CN109300130A (en) * | 2018-10-09 | 2019-02-01 | 广东电网有限责任公司 | Detection method and device |
| CN109374653A (en) * | 2018-09-03 | 2019-02-22 | 深圳供电局有限公司 | Crimping armor clamp detection device |
| CN110125903A (en) * | 2019-05-14 | 2019-08-16 | 国网江苏省电力有限公司电力科学研究院 | Quadripartion carbon-fibre wire detects robot and system |
| CN111337344A (en) * | 2019-11-07 | 2020-06-26 | 国家电网有限公司 | Transmission conductor strain clamp tensile strength analysis method based on X-ray detection |
| CN111879795A (en) * | 2020-07-31 | 2020-11-03 | 广东电网能源发展有限公司 | Equipment for nondestructive testing of power transmission line clamp by using flexible phosphor plate |
| CN113702186A (en) * | 2021-09-24 | 2021-11-26 | 国网四川省电力公司电力科学研究院 | Power transmission line strain clamp crimping detection device and method |
-
2016
- 2016-10-27 CN CN201610949212.3A patent/CN106404812A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167480A (en) * | 2017-05-24 | 2017-09-15 | 贵州电网有限责任公司电力科学研究院 | The method of DR digital radial static timing image checking GIS devices |
| CN107796877A (en) * | 2017-11-01 | 2018-03-13 | 国网辽宁省电力有限公司电力科学研究院 | Utilize the lossless detection method of ultrasonic phase array detection strain clamp crimp quality |
| CN107741434A (en) * | 2017-12-15 | 2018-02-27 | 河南送变电建设有限公司 | A kind of conductor compression jointing quality inspection portable X-ray image device and quality detecting method |
| CN108519393A (en) * | 2018-04-18 | 2018-09-11 | 国网天津市电力公司电力科学研究院 | Unmanned machine detecting device and application method suitable for three cross-line road strain clamps |
| CN109374653A (en) * | 2018-09-03 | 2019-02-22 | 深圳供电局有限公司 | Crimping armor clamp detection device |
| CN109300130B (en) * | 2018-10-09 | 2021-07-27 | 广东电网有限责任公司 | Detection method and device |
| CN109300130A (en) * | 2018-10-09 | 2019-02-01 | 广东电网有限责任公司 | Detection method and device |
| CN110125903A (en) * | 2019-05-14 | 2019-08-16 | 国网江苏省电力有限公司电力科学研究院 | Quadripartion carbon-fibre wire detects robot and system |
| CN110125903B (en) * | 2019-05-14 | 2021-04-13 | 国网江苏省电力有限公司电力科学研究院 | Four-split carbon fiber lead detection robot and system |
| CN111337344A (en) * | 2019-11-07 | 2020-06-26 | 国家电网有限公司 | Transmission conductor strain clamp tensile strength analysis method based on X-ray detection |
| CN111879795A (en) * | 2020-07-31 | 2020-11-03 | 广东电网能源发展有限公司 | Equipment for nondestructive testing of power transmission line clamp by using flexible phosphor plate |
| CN113702186A (en) * | 2021-09-24 | 2021-11-26 | 国网四川省电力公司电力科学研究院 | Power transmission line strain clamp crimping detection device and method |
| CN113702186B (en) * | 2021-09-24 | 2023-05-26 | 国网四川省电力公司电力科学研究院 | Device and method for detecting compression joint of strain clamp of power transmission line |
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Application publication date: 20170215 |
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