CN108956651A - A kind of high-voltage power line tension wire clamp lossless detection method - Google Patents
A kind of high-voltage power line tension wire clamp lossless detection method Download PDFInfo
- Publication number
- CN108956651A CN108956651A CN201710393904.9A CN201710393904A CN108956651A CN 108956651 A CN108956651 A CN 108956651A CN 201710393904 A CN201710393904 A CN 201710393904A CN 108956651 A CN108956651 A CN 108956651A
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- Prior art keywords
- strain clamp
- clamp
- ray
- source generator
- ray source
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Classifications
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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
- G01N23/04—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
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- 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
- G01N2223/03—Investigating materials by wave or particle radiation by transmission
-
- 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
- G01N2223/10—Different kinds of radiation or particles
- G01N2223/101—Different kinds of radiation or particles electromagnetic radiation
- G01N2223/1016—X-ray
-
- 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
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/301—Accessories, mechanical or electrical features portable apparatus
-
- 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
- G01N2223/30—Accessories, mechanical or electrical features
- G01N2223/321—Accessories, mechanical or electrical features manipulator for positioning a part
-
- 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
Abstract
The present invention provides a kind of detection methods of electric power transmission line strain clamp crimp quality, for hidden danger existing for electric power transmission line strain clamp crimp quality, pass through X-ray DR detection device and Adjustable supporter, it is installed on strain clamp two sides, internal detection is carried out with the positioning that crimps of steel-cored aluminium strand to strain clamp, the wireless transmission of digital imagery plate, internal structure can be clearly showed that in hand-held computer, that is conducting wire aluminium stock, steel core, wire clamp aluminum casing, the relative position of wire clamp rod iron, it compares DL/T 5285-2013 " power transmission and transformation aerial condutor and ground wire hydraulic compression-fitting joint process regulation ", it can find that there are problems for internal flaw, it makes rationally, effective solution scheme.Without damaging to wire clamp, potential problem existing for transmission line of electricity wire clamp can be found, and make Corresponding Countermeasures, security risk is greatly reduced to the maintenance of electric power transmission O&M, improves transmission of electricity benefit.
Description
Technical field
The present invention relates to electric power transmission line safety testing fields, and in particular to high-voltage power line tension wire clamp crimps matter
The lossless detection method of amount.
Background technique
With the fast development of China's power industry, many batches of high pressures, extra high voltage line are built successively, due to voltage class
Height, route are intricate, and often have acrossing highway, high-speed rail route, important passway for transmitting electricity etc..So to the safety of route
Property, more stringent requirements are proposed for stability, economy.However, the crimping construction of strain clamp belongs to concealed work, wire clamp it is interior
Portion's crimping defect and crimping positioning defect can not be detected normally, cause the safety at wire clamp position there are certain hidden danger, and line
Folder portion position line-outage contingency happens occasionally, and cannot be guaranteed the safety of transmission line of electricity, stability.
Summary of the invention
The object of the present invention is to provide a kind of practical, easy strain clamp crimp quality detection methods, 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, the relative position including inner lead aluminium stock, steel core, wire clamp aluminum casing and rod iron, discovery are made since compression joint technique is bad
At internal flaw, correct reflection crimping construction quality and existing security risk.
Technical solution of the present invention
1) Adjustable supporter is placed into online stoppage in transit tension-resistance cleat for transmission line two sides to be detected on site；
2) X-ray DR detection device and digital imaging plate and wireless communication device are installed；
3) according to the different model of strain clamp, setting X-ray DR detection device is adjusted at a distance from strain clamp, digital imagery
Plate is placed on the outside of strain clamp, and guarantees that three is in same horizontal line always, and detection device radiographic source is in strain clamp
Imaging plate center；
4) radiographic source tube voltage, time for exposure are set；
5) it after the completion of placement setting, is exposed outside safe distance by wireless remote control, X-ray is carried out by wireless transmission
Acquisition；
6) by strain clamp internal structure detection image obtained in step 5) and standard (DL/T 5285-2013 " power transmission and transformation frame
Hollow wire and ground wire hydraulic compression-fitting joint process regulation ") desired strain clamp image of internal structure compares, and it analyzes it and internal lacks
It falls into.
The features of the present invention
1) the method is lossless detection method, without destroying the inspection that wire clamp internal structure and each spots localization can be completed, row
In addition to potential risk；
2) condition and requirement that conventional ray test is simplified using X-ray DR detection technique, are not necessarily to lead room, without rinsing bottom
Piece；
3) equipment is simple and efficient, and portable can be operated to scene, by wireless remote control control, wireless transmission, carry out X-ray
Acquisition；
4) detection device and detection device are good fit, can depending on the site environment, detection model, realize it is quick and easy placement with
Detection；
5) X-ray is wirelessly transmitted to hand-held computer by digitlization radiation imaging apparatus, after can clearly showing strain clamp crimping
Internal structure, the especially relative position of inner lead aluminium stock, steel core, wire clamp aluminum casing and wire clamp rod iron, it is reliable to improve transmission of electricity
The safe and stable operation of route；
6) detection method and detection device have simple structure and reasonable design, flexibly, convenient for operation, and it is economical and practical, it is suitble to
It is widely popularized.
Detailed description of the invention
Fig. 1 is strain clamp crimp quality detection device 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 imagery plate Adjustable supporter.
Specific embodiment
To keep above-mentioned purpose of the invention, feature, advantage etc. more obvious, understandable, with reference to the accompanying drawing, have to the present invention
Body embodiment is described in further detail.
Attached drawing 1 is strain clamp crimp quality detection device schematic diagram, by X-ray source generator 1, X-ray source generator
Emit 5 groups of terminal 2, strain clamp to be detected 3, digital imagery plate 4, X-ray source generator and digital imagery plate Adjustable supporter
Detected at, the invention patent for strain clamp 3, strain clamp 3 to be detected be located at X-ray source generator 1 with it is digital at
Between picture plate 4, it is tightly attached to digital imagery plate 4 and three is in same horizontal line, setting X-ray source generator transmitting terminal 2 is sent out
Firing angle degree, and keep horizontal, 1 tube voltage of X-ray source generator, setting digital imagery plate 4 are set according to strain clamp 3 to be detected
At a distance from X-ray source generator 1, after the completion of setting, detected.
Attached drawing 2 is strain clamp crimp quality scene on-line checking flow chart, and method of the invention is as follows: first, it is determined that
Site environment and wire clamp model to be detected place Adjustable supporter, install detection device, and radiographic source is in center, set
Radiographic source tube voltage, transmitting terminal launch angle, and digital imagery plate is close to wire clamp, three is in same horizontal line always,
Set imaging plate and radiographic source distance；Secondly, check radiographic source wireless remote control communication signal, check digital imagery plate with it is portable
Computer wireless signal of communication, X-ray image normally receive；Radiographic source is remotely controlled outside safe distance, is exposed, X-ray
Piece real-time Transmission carries out analysis comparison, mating plate quality well carries out in next step, and otherwise, return re-starts to hand-held computer
It adjusts, until X-ray picture quality required for meeting；Finally, X-ray editor preservation is carried out, analysis, final report.
In conjunction with attached drawing 2, the specific works of this patent are described as follows:
Selection Henan Electric Power System 1000kV strain section Overhaul site carries out detection implementation, and strain section wire type is LGJ-630/
45, strain clamp model NY-630/45；It is detected using X-ray DR detection technique equipment with digital imagery plate.
1) firstly, testing judgement to site environment, strain clamp is judged by voltage class.
2) select rational position, place, fixed Adjustable supporter, to X-ray DR detection technique BJI-1 equipment and number at
It as plate placement, fixes, digital imagery plate, close to being affixed, is in center, and three's holding is horizontal unanimously with wire clamp to be detected.
3) it debugs, check X-ray DR detection radiographic source remote control and X-ray wireless real-time transmission device.
4) x-ray source generator tube voltage 85kV is set, 38 o of post angle is emitted.
5) digital imagery plate is adjusted at a distance from radiographic source, at a distance of setting 600mm.
6) outside safe distance, wireless remote control radiographic source exposes 5s.
7) X-ray wireless real-time transmission is to hand-held computer.
8) it checks X-ray image quality, if image quality is qualified, carries out in next step；If image quality is unqualified, weight is returned
Step 3 in multiple operation diagram 2, until qualified.
9) editor's preservation is carried out to X-ray, after the completion, X-ray is analyzed, report summary.
Finally, above embodiments are only to illustrate technical solution of the present invention when with explanation, and rather than its limitations, affiliated neck
Domain it is to be appreciated by one skilled in the art that a specific embodiment of the invention can be modified or be waited referring to above-mentioned implementation of class
With replacement, without departing from spirit and scope of the invention any modifications or substitutions apply pending claims it
It is interior.
Claims (2)
1. a kind of high-voltage power line tension wire clamp online test method, technical characteristic: by X-ray source generator 1, X-ray
Source generator emits terminal 2, strain clamp to be detected 3, digital imagery plate 4, X-ray source generator and the support of digital imagery plate and adjusts
Frame 5 is saved to form, the invention patent is detected for strain clamp 3, strain clamp 3 to be detected be located at X-ray source generator 1 and
Between digital imagery plate 4, it is tightly attached to digital imagery plate 4 and three is in same horizontal line, set X-ray source generator transmitting terminal
Sub 2 launch angles, and keep horizontal, according to strain clamp 3 to be detected set 1 tube voltage of X-ray source generator, setting number at
As plate 4 is at a distance from 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 examine to tension-resistance cleat for transmission line
It surveys, the technical method are as follows:
1) Adjustable supporter is placed into online stoppage in transit tension-resistance cleat for transmission line two sides to be detected on site；
2) installation X-ray DR detection device and digital imaging plate and wireless communication device；
3) according to the different model of strain clamp, X-ray DR detection device is set at a distance from strain clamp, digital imagery plate is set
On rear side of strain clamp, and guarantee that three is in same horizontal line, X-ray source generator and strain clamp are in imaging plate
The heart；
4) radiographic source tube voltage, transmitting terminal launch angle are set；
5) the radiographic source time for exposure is set；
6) it after the completion of disposing, is exposed outside safe distance by wireless remote control, X-ray acquisition is carried out by wireless transmission；
7) by strain clamp internal structure detection image obtained in step 6) and standard (DL/T 5285-2013 " power transmission and transformation frame
Hollow wire and ground wire hydraulic compression-fitting joint process regulation ") desired strain clamp image of internal structure compares, and it analyzes it and internal lacks
It falls into, and carries out report summary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393904.9A CN108956651A (en) | 2017-05-28 | 2017-05-28 | A kind of high-voltage power line tension wire clamp lossless detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710393904.9A CN108956651A (en) | 2017-05-28 | 2017-05-28 | A kind of high-voltage power line tension wire clamp lossless detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108956651A true CN108956651A (en) | 2018-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710393904.9A Pending CN108956651A (en) | 2017-05-28 | 2017-05-28 | A kind of high-voltage power line tension wire clamp lossless detection method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095484A (en) * | 2019-06-13 | 2019-08-06 | 云南电网有限责任公司电力科学研究院 | A kind of aerial condutor on-site detecting device based on X-ray |
| 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 |
| CN112666189A (en) * | 2020-12-15 | 2021-04-16 | 河南九域恩湃电力技术有限公司 | Strain clamp detection device and method based on DR detection |
| 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 |
| CN115508388A (en) * | 2022-10-25 | 2022-12-23 | 河南四达电力设备股份有限公司 | Automatic crimping intelligent aerial work platform and work method for linear splicing sleeve and strain clamp |
-
2017
- 2017-05-28 CN CN201710393904.9A patent/CN108956651A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095484A (en) * | 2019-06-13 | 2019-08-06 | 云南电网有限责任公司电力科学研究院 | A kind of aerial condutor on-site detecting device based on X-ray |
| 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 |
| CN112666189A (en) * | 2020-12-15 | 2021-04-16 | 河南九域恩湃电力技术有限公司 | Strain clamp detection device and method based on DR detection |
| 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 |
| CN115508388A (en) * | 2022-10-25 | 2022-12-23 | 河南四达电力设备股份有限公司 | Automatic crimping intelligent aerial work platform and work method for linear splicing sleeve and strain clamp |
| CN115508388B (en) * | 2022-10-25 | 2024-01-09 | 河南四达电力设备股份有限公司 | Automatic crimping intelligent aerial work platform and work method for linear splicing sleeve and strain clamp |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181207 |