CN107741192A - Live wire, ground wire model measuring instrument - Google Patents
Live wire, ground wire model measuring instrument Download PDFInfo
- Publication number
- CN107741192A CN107741192A CN201711106337.0A CN201711106337A CN107741192A CN 107741192 A CN107741192 A CN 107741192A CN 201711106337 A CN201711106337 A CN 201711106337A CN 107741192 A CN107741192 A CN 107741192A
- Authority
- CN
- China
- Prior art keywords
- support
- wire
- ground wire
- single head
- measuring instrument
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Electric Cable Installation (AREA)
Abstract
Live wire,Ground wire model measuring instrument,It is characterized in that,Including insulating bar (1),The wire being connected on insulating bar (1) embraces chuck mechanism (2),The semicircle support (3) that embracing chuck mechanism (2) can planar rotate with point left and right sides is hinged,Side is single head support (3.1),Opposite side is double end support (3.2),Provided with elastic band (4), its tail end is anchored on the hunchbacked endpiece of support (3),Both sides elastic band (4) rear end is connected to adhesion part (5),The present invention provides a kind of live wire,Ground wire model measuring instrument,Accurate measurement transmission line wire in the case where not changing the transmission line of electricity method of operation or before line maintenance power failure,Ground wire model,Predicted for power line load,Defect rank judges,Overhaul Work tool,Standby redundancy and project material request provide accurate information,So as to avoid circuit from repeating the power off time that has a power failure and reduce,Improve circuit availability coefficient and reliability.
Description
Technical field
The invention belongs to power industry, earth potential live is led, ground wire model measuring instrument specific purpose tool technical field.Pass through survey
Wire diameter and outermost layer wire number of share of stock are measured, by calculating, is inferred to lead with the contrast of wire parameter list, ground wire model.
Background technology
The problem of one, presently, there are
As power industry is fast-developing, power equipment is more and more, and the longer transmission line of electricity of production time is anti-because of circuit
Multiple transformation causes line parameter circuit value to change.And transmission line of electricity O＆M unit change, cause part transmission line of electricity data loss, parameter to lack
Mistake or mistake, many inconvenience are caused to later stage transmission line of electricity operation maintenance, wire type is uncertain to have following problem：
1. transmission line wire current capacity can not accurately be calculated, the heating of wire excessively stream, the risk of fused wire be present；
2. transmission line of electricity defect rank judge it is inaccurate, circuit be present and fall bar, the risk for the string that breaks, falls；
3. move change, need to have a power failure in advance when material requirements are made a report in overhaul technological transformation cut-off lead, ground wire examine lead, ground wire model, prolong
The transmission line of electricity interruption maintenance time is grown；After if equipment has a power failure, what discovery project was made a report on lead, ground wire model mistake, will cause defeated
Electric line is in abnormal running mode for a long time, causes power network excessive risk to be run；
4. part economically underdeveloped area, electric network composition imperfection, repeat to have a power failure and have a power failure for a long time, increase operation of power networks
Risk, it is also possible to cause certain customers to have a power failure；
5. standby redundancy lays in mistake, unnecessary economic waste is caused.
Two, examine at this stage lead, the main method of ground wire model
Power line conductive, ground wire model are the significant datas of O＆M unit, and O＆M unit have to verify that the model in data
It is whether consistent with field apparatus model.Current power transmission specialty checks wire major way：
1. for new operation transmission line of electricity, put tightly lead, ground wire when, operations staff's view of the scene is led, on ground wire drum
Label, while inspection verification is carried out to wire outward appearance, confirmation is led, whether ground wire and design model are consistent.
2. for circuit of having gone into operation, wire type is substantially based on parameter list, if there is circuit data loss or with suspicion
Model, main verification mode for coordinate line outage or application line outage, using cut-off lead, ground wire drainage thread, measurement steel core,
The radical of aluminium stock and sub-thread diameter.Again with the corresponding parameter of parameter list inquiry, it is determined that leading, ground wire model.
The leading of three, working lines, ground wire model service condition
Lead, the analysis of ground wire service condition：At present wire, ground wire used in circuit have China develop 1974,1983,
2009 the leading of totally three standards, ground wires, also have on a small quantity from the leading of Russian, Japanese import, ground wire.2009 editions gauge wires,
Line is 8 years years new operation equipment, and grassroot project designing unit, unit in charge of construction, run unit have completion information, shelves in recent years
After case uses electronic management, the data that is less prone to is lost and mistake, therefore is only applied to conductance, ground wire model measuring instrument
1974th, the measurement of 1983 editions gauge wires, ground wire model confirms.
The content of the invention
The present invention provides a kind of live wire, ground wire model measuring instrument, in order to overcomes above-mentioned prior art to exist
The defects of, in the case where not changing the transmission line of electricity method of operation or line maintenance have a power failure before accurate measurement transmission line wire,
Ground wire model, for power line load prediction, defect rank judges, maintenance Work tool, standby redundancy and project material request carry
For accurate information, so as to avoid circuit from repeating the power off time that has a power failure and reduce, circuit availability coefficient and reliability are improved.
Technical scheme is as follows：
Live wire, ground wire model measuring instrument, the invention is characterised in that, including insulating bar, be connected to insulation operation
Wire on bar embraces chuck mechanism, and the semicircle support that embracing chuck mechanism can planar rotate with point left and right sides is hinged,
Side is single head support, opposite side is double end support, and provided with elastic band, its tail end is anchored on the hunchbacked endpiece of support, both sides pine
Taut band rear end is connected to adhesion part, and be provided with viscous pulling buckle using a horseshoe type carbon paper both ends is connected to form envelope with adhesion part
Close；Being respectively equipped with to stick up in support afterbody makes support be formed along coercive mechanism to internal rotation and embrace folder when tail is used for and pushed up；In single head branch
Be separately installed with a retaining spring on frame, double end support coercive mechanism, its elastic force be arranged to support wire enter embrace chuck it
Preceding holding single head support and double end support are in open position, after wire shake-up support top pressure sticks up tail, keep single head support and double end branch
Frame, which is in, embraces clamping position offer support force；Mark draw point is housed in the inwall of single head support.
When present invention mark draw point installation site is that single head support is in closure state, with insulating bar axis same
On bar straight line, caulking groove is opened up on single head rack inner wall will mark draw point to stick in caulking groove.
Operation principle of the present invention is, during measurement after wire enters and embraces chuck, when tail is stuck up in wire compressing, causes single head support
Closed with double single-side stands, then operating personnel pull insulating bar, and wire is wrapped up by inextensibility horseshoe type carbon paper, horseshoe
Type carbon paper is tensed by both sides elastic band, and during contact mark draw point, mark draw point is in the single head side of horseshoe type carbon paper and double end
Side indicates respectively closes Gansu Province position；Meanwhile acted on by elastic band, horseshoe type carbon paper tight lead, ground wire outer layer, open up down
Lead or ground wire outermost metal number of share of stock.Open up and write with after the completion of mark conjunction Gansu Province point work, gently turning insulating bar, making support in wire
Under pressure effect, moment of torsion is more than spring pressure, and single head support and double end support separate.
The process of mark is after wire enters and embraces chuck, when tail is stuck up in wire compressing, causes single head support and double single-side stands
Close, then operating personnel pull insulating bar, and wire is wrapped up by inextensibility horseshoe type carbon paper, horseshoe type carbon paper quilt
Both sides elastic bands tenses, and during contact mark draw point, mark draw point indicates respectively in the single head side of horseshoe type carbon paper and double end side
Close Gansu Province position；Meanwhile acted on by elastic band, horseshoe type carbon paper tight lead, ground wire outer layer, open up down lead or ground wire most
Outer layer metal number of share of stock.Open up and write with after the completion of mark conjunction Gansu Province point work, gently turning insulating bar, support is acted in wire pressure
Under, moment of torsion is more than spring pressure, and single head support and double end support are opened.
The wire of measuring instrument of the present invention embraces chuck mechanism, support selects the light aluminium alloy of density or other nonmagnetic substances,
Rotate flexible；Spring can keep support opening and closing state not change under elastic band, the normal active force of horseshoe type carbon paper；Mark
Note draw point horseshoe type carbon paper tight lead, ground wire outer layer when get ready, ensure measurement accuracy；Elastic band elasticity is preferably
And do not influenceed by alternating electric field；Elastic band and horseshoe type carbon paper do not slip when the bonding force of adhesion part can guarantee that measurement；Horseshoe
The nothing of type carbon paper stretches performance guarantee measurement result accuracy.After this apparatus measures, made carbon copies according to inextensibility horseshoe type
The vestige left on paper and the circumferential indicia done, can be with the higher slide measure of service precision, and measurement is led, the outer perimeter of ground wire
Degree, number horseshoe type carbon paper open up under lead, ground wire outermost metal number of share of stock.It can be tried to achieve by experiment and simple mathematical computations
Lead, ground wire outermost layer aluminium stock number of share of stock, aluminium stock sub-thread diameter and wire overall diameter.
The present invention have measurement when do not change the transmission line of electricity method of operation, reduce circuit repeat have a power failure and power off time,
It is simple and efficient to handle, measurement accuracy is high, safe, small volume, it is in light weight the advantages of.
The principle of the invention be by extrapolability make inextensibility horseshoe type carbon paper under the active force of elastic band tightly
Be wrapped in lead, ground wire outer layer, and open up down and lead, ground wire outermost metal number of share of stock；Wire is wrapped up by inextensibility horseshoe type carbon paper,
Horseshoe type carbon paper is tensed by both sides elastic band, during contact mark draw point, mark draw point in the single head side of horseshoe type carbon paper and
Double end side indicates respectively closes Gansu Province position；After the expansion of horseshoe type carbon paper, by the distance between two parallel lines of circumferential indicia point
Exactly lead, the outer perimeter of ground wire, the lateral road number between two parallel lines be exactly lead, ground wire outermost metal stock number of share of stock, above-mentioned two number
According to can be obtained by formula be exactly lead, the diameter of ground wire single metal stock；The meter that the input of above measurement result is finished in advance
Calculate in program, according to the error range of permission can automatically select it is immediate lead, ground wire, if two kinds or more are led, ground wire and survey
Measure parameter similar or in the range of measurement error, then occur two kinds or more lead, ground wire model, survey crew can be according to circuit
The information inferences such as production time, designing unit go out to lead, ground wire model.
The beneficial effects of the present invention are：The present invention provides live wire, ground wire model measuring instrument, in order to fills up
Lead, the problem of ground wire model can not be examined in the energized state, accurately surveyed in the case where not changing the transmission line of electricity method of operation
Measure transmission line wire, ground wire model, for power line load prediction, defect rank judge, maintenance Work tool, standby redundancy and
Project material request provides accurate information, and so as to avoid circuit from repeating the power off time that has a power failure and reduce, improving circuit can be with being
Number and reliability.Measuring instrument small volume, material is in light weight, and intensity is high, and precision meets to lead, line ground determination requirement, not by alternation electricity
The influence in magnetic field, flexibility and reliability is operated, ensure that the security of operation, and it is convenient and swift to operate.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is measurement process schematic diagram of the present invention；
Fig. 3 is closure state schematic diagram of the present invention；
Fig. 4-1 is the structure chart of single head support；
Fig. 4-2 is the left view of single head support；
Fig. 5-1 is the structure chart of double end support
Fig. 5-2 is the right view of double end support；
Fig. 6 is the expanded schematic diagram of horseshoe type carbon paper；
Fig. 7-1 is the side view of mark draw point；
Fig. 7-2 is the front view of mark draw point.
Embodiment
See Fig. 1, live wire, ground wire model measuring instrument, the invention is characterised in that, including insulating bar 1, be connected to absolutely
Wire on edge action bars 1 embraces chuck mechanism 2, embraces the semicircle branch that chuck mechanism 2 can be rotated planar with point left and right sides
Frame 3 is hinged, and side is single head support 3.1, opposite side is double end support 3.2, and provided with elastic band 4, its tail end is anchored at support 3
Hunchbacked endpiece on, the rear end of both sides elastic band 4 is connected to adhesion part 5, and viscous draw is provided with using the both ends of a horseshoe type carbon paper 6
Button is connected to form closing with adhesion part 5；It is respectively equipped with to stick up when tail 3.5 is used for and pushed up in the afterbody of support 3 and makes support along coercive mechanism
To internal rotation, formed and embrace folder；A retaining spring 3.3 is separately installed with single head support 3.1, the coercive mechanism of double end support 3.2,
Its elastic force is arranged to support and keeps single head support 3.1 and double end support 3.2 to be in open position before wire enters and embraces chuck 2, leads
After the line shake-up top pressure of support 3 sticks up tail 3.5, single head support 3.1 and double end support 3.2 is kept to be in and embrace a clamping position offer support force；
Mark draw point 3.4 is housed in the inwall of single head support 3.1.Present invention mark draw point 3.4 installation site is that single head support 3.1 is in
During closure state, with the axis of insulating bar 1 on same straight line, caulking groove will be opened up on the inwall of single head support 3.1 to be marked
Draw point 3.4 is sticked in caulking groove.
See Fig. 2, Fig. 3, operation principle of the present invention is, during measurement after wire enters and embraces chuck, tail 3.5 is stuck up in wire compressing
When, cause single head support 3.1 and double single-side stands 3.2 to close, then operating personnel pull insulating bar 1, and wire is by without extension
Property horseshoe type carbon paper 6 wrap up, horseshoe type carbon paper 6 is tensed by both sides elastic band 4, during contact mark draw point 3.4, marks draw point
3.4 indicate conjunction Gansu Province position respectively in the single head side of horseshoe type carbon paper 6 and double end side；Meanwhile by the effect of elastic band 4, horseshoe
The tight of type carbon paper 6 lead, ground wire outer layer, open up down and lead or ground wire outermost metal number of share of stock.Open up to write and close Gansu Province point work with mark
After the completion of work, gently turn insulating bar 1, making support 3, moment of torsion is more than the pressure of spring 3.3, single head support under the effect of wire pressure
3.1 and double end support 3.2 separate.
See Fig. 4-1, Fig. 4-2, Fig. 5-1, Fig. 5-2, Fig. 6, the process of mark is wire compressing after wire enters and embraces chuck
When sticking up tail 3.5, single head support 3.1 and double single-side stands 3.2 is caused to close, then operating personnel pull insulating bar 1, wire quilt
Inextensibility horseshoe type carbon paper 6 wraps up, and horseshoe type carbon paper 6 is tensed by both sides elastic band 4, during contact mark draw point 3.4, mark
Note draw point 3.4 indicates and closes Gansu Province position respectively in the single head side of horseshoe type carbon paper 6 and double end side；Meanwhile by the work of elastic band 4
With, the tight of horseshoe type carbon paper 6 lead, ground wire outer layer, open up down and lead or ground wire outermost metal number of share of stock.Open up to write and closed with mark
After the completion of the point work of Gansu Province, gently turn insulating bar 1, making support 3, moment of torsion is more than the pressure of spring 3.3, single under the effect of wire pressure
Head bracket 3.1 and double end support 3.2 are opened.
The wire of measuring instrument of the present invention embraces chuck mechanism 2, support 3 selects the light aluminium alloy of density or other non magnetic materials
Material, rotate flexible；Spring 3.3 can keep the opening and closing state of support 3 under elastic band 4,6 normal active force of horseshoe type carbon paper
Do not change；Mark draw point 3.4 the tight of horseshoe type carbon paper 6 lead, ground wire outer layer when get ready, ensure measurement accuracy；
The elasticity of elastic band 4 is preferable and is not influenceed by alternating electric field；Elastic band 4 and horseshoe type when the bonding force of adhesion part 5 can guarantee that measurement
Carbon paper 6 does not slip；The nothing of horseshoe type carbon paper 6 stretches performance guarantee measurement result accuracy.After this apparatus measures, according to
The vestige left and the circumferential indicia done on inextensibility horseshoe type carbon paper 6, can with the higher slide measure of service precision,
Measurement is led, the peripheral length of ground wire, number horseshoe type carbon paper 6 open up under lead, ground wire outermost metal number of share of stock.Pass through experiment and letter
Single mathematical computations can try to achieve lead, ground wire outermost layer aluminium stock number of share of stock, aluminium stock sub-thread diameter and wire overall diameter.
Claims (2)
1. live wire, ground wire model measuring instrument, it is characterised in that including insulating bar (1), be connected to insulating bar
(1) wire on embraces chuck mechanism (2), embraces the semicircle support that chuck mechanism (2) can be rotated planar with point left and right sides
(3) it is hinged, side is single head support (3.1), opposite side is double end support (3.2), and provided with elastic band (4), its tail end is anchored at
On the hunchbacked endpiece of support (3), both sides elastic band (4) rear end is connected to adhesion part (5), using a horseshoe type carbon paper
(6) both ends are provided with viscous pulling buckle and are connected to form closing with adhesion part (5)；It is respectively equipped with support (3) afterbody and sticks up tail (3.5) and be used for
Support is set to be formed along coercive mechanism to internal rotation and embrace folder when being pushed up；Divide on single head support (3.1), double end support (3.2) coercive mechanism
One retaining spring (3.3) is not installed, its elastic force is arranged to support and keeps single head support before wire enters and embraces chuck (2)
(3.1) and double end support (3.2) is in open position, after wire shake-up support (3) top pressure sticks up tail (3.5), keeps single head support (3.1)
It is in double end support (3.2) and offer support force in clamping position is provided；Mark draw point (3.4) is provided with the inwall of single head support (3.1).
2. live wire according to claim 1, ground wire model measuring instrument, it is characterised in that mark draw point (3.4) installation
When position is that single head support (3.1) is in closure state, with insulating bar (1) axis on same straight line, in single head branch
Caulking groove will be opened up on frame (3.1) inwall to mark draw point (3.4) to stick in caulking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106337.0A CN107741192B (en) | 2017-11-10 | 2017-11-10 | Live wire and ground wire model measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711106337.0A CN107741192B (en) | 2017-11-10 | 2017-11-10 | Live wire and ground wire model measuring instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107741192A true CN107741192A (en) | 2018-02-27 |
| CN107741192B CN107741192B (en) | 2023-05-26 |
Family
ID=61234394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711106337.0A Active CN107741192B (en) | 2017-11-10 | 2017-11-10 | Live wire and ground wire model measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107741192B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110837064A (en) * | 2019-10-25 | 2020-02-25 | 国网辽宁省电力有限公司铁岭供电公司 | Lead, quick recognizer of ground wire model |
| CN111397465A (en) * | 2019-12-27 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | Wire model specification caliber |
| CN111457822A (en) * | 2020-04-17 | 2020-07-28 | 杭州窜层科技有限公司 | Automatic chucking and caliper for reinforcing bar of reading of being convenient for |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617042U (en) * | 1992-08-04 | 1994-03-04 | 日立電線株式会社 | Pipe type gas pressure cable line |
| CN2425346Y (en) * | 2000-05-26 | 2001-03-28 | 于兴利 | Overhead conducting wire outer diameter ruler |
| CN101692541A (en) * | 2009-08-25 | 2010-04-07 | 山东电力集团公司淄博供电公司 | Earthing lines of power transmission lines overhauling and hooking method thereof |
| CN102673173A (en) * | 2011-01-13 | 2012-09-19 | 佳能株式会社 | Information processing apparatus and information processing method |
| CN103697790A (en) * | 2013-12-03 | 2014-04-02 | 国网河南省电力公司商丘供电公司 | Special tool for 10KV live measurement of outer diameter of overhead conductor |
| CN203672275U (en) * | 2013-12-02 | 2014-06-25 | 国家电网公司 | On-line measuring instrument of wire diameter |
| CN104197822A (en) * | 2014-07-31 | 2014-12-10 | 王效峥 | Live-line diameter measuring scale for electrical lead |
| CN104197884A (en) * | 2014-08-23 | 2014-12-10 | 江苏法尔胜股份有限公司 | Measurement method of length of lay of steel wire rope |
| CN106643422A (en) * | 2016-11-28 | 2017-05-10 | 国网北京市电力公司 | Cable measuring device |
| CN106705800A (en) * | 2017-02-15 | 2017-05-24 | 国家电网公司 | Live wire diameter insulation measurement device |
| CN106813555A (en) * | 2017-03-28 | 2017-06-09 | 广东电网有限责任公司佛山供电局 | Can livewire work wire caliper |
| CN207379421U (en) * | 2017-11-10 | 2018-05-18 | 云南电网有限责任公司昆明供电局 | Live wire, ground wire model measuring instrument |
-
2017
- 2017-11-10 CN CN201711106337.0A patent/CN107741192B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0617042U (en) * | 1992-08-04 | 1994-03-04 | 日立電線株式会社 | Pipe type gas pressure cable line |
| CN2425346Y (en) * | 2000-05-26 | 2001-03-28 | 于兴利 | Overhead conducting wire outer diameter ruler |
| CN101692541A (en) * | 2009-08-25 | 2010-04-07 | 山东电力集团公司淄博供电公司 | Earthing lines of power transmission lines overhauling and hooking method thereof |
| CN102673173A (en) * | 2011-01-13 | 2012-09-19 | 佳能株式会社 | Information processing apparatus and information processing method |
| CN203672275U (en) * | 2013-12-02 | 2014-06-25 | 国家电网公司 | On-line measuring instrument of wire diameter |
| CN103697790A (en) * | 2013-12-03 | 2014-04-02 | 国网河南省电力公司商丘供电公司 | Special tool for 10KV live measurement of outer diameter of overhead conductor |
| CN104197822A (en) * | 2014-07-31 | 2014-12-10 | 王效峥 | Live-line diameter measuring scale for electrical lead |
| CN104197884A (en) * | 2014-08-23 | 2014-12-10 | 江苏法尔胜股份有限公司 | Measurement method of length of lay of steel wire rope |
| CN106643422A (en) * | 2016-11-28 | 2017-05-10 | 国网北京市电力公司 | Cable measuring device |
| CN106705800A (en) * | 2017-02-15 | 2017-05-24 | 国家电网公司 | Live wire diameter insulation measurement device |
| CN106813555A (en) * | 2017-03-28 | 2017-06-09 | 广东电网有限责任公司佛山供电局 | Can livewire work wire caliper |
| CN207379421U (en) * | 2017-11-10 | 2018-05-18 | 云南电网有限责任公司昆明供电局 | Live wire, ground wire model measuring instrument |
Non-Patent Citations (1)
| Title |
|---|
| 王广鑫;刘良春;褚衍华;: "浅议输电线路多功能绝缘操作杆的研制" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110837064A (en) * | 2019-10-25 | 2020-02-25 | 国网辽宁省电力有限公司铁岭供电公司 | Lead, quick recognizer of ground wire model |
| CN111397465A (en) * | 2019-12-27 | 2020-07-10 | 国网浙江省电力有限公司金华供电公司 | Wire model specification caliber |
| CN111397465B (en) * | 2019-12-27 | 2022-04-26 | 国网浙江省电力有限公司金华供电公司 | Wire model specification caliber |
| CN111457822A (en) * | 2020-04-17 | 2020-07-28 | 杭州窜层科技有限公司 | Automatic chucking and caliper for reinforcing bar of reading of being convenient for |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107741192B (en) | 2023-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107741192A (en) | Live wire, ground wire model measuring instrument | |
| CN201191204Y (en) | Rope length meter for hydrographic cableway | |
| CN109709455A (en) | Transformer Insulation Aging analysis system | |
| CN102998160A (en) | Cylindrical sample preparation device for measuring moisture content of green sand through capacitance method and method for measuring moisture content of green sand | |
| CN207379421U (en) | Live wire, ground wire model measuring instrument | |
| ITBO20110671A1 (en) | DEVICE AND METHOD TO EVALUATE THE DEGRATION OF THE INSULATION OF A TRANSFORMER ISOLATED IN OIL. | |
| CN206787945U (en) | A kind of carbon fiber compound cable core bending property detection device | |
| CN103663000B (en) | A kind of cable winding device of sliding inclinometer | |
| CN103234896A (en) | Hand-held quick corrosion tester for petroleum pipelines | |
| CN205720094U (en) | A kind of steel wire rope Holographic test system | |
| CN105020579A (en) | Single-flow double-metering liquefied natural gas filling machine | |
| CN203249829U (en) | Stress corrosion resistance long term performance detection device for carbon fiber composite cable | |
| CN105928572A (en) | Flow measuring device of piezoelectric fiber containing metal core | |
| CN108801332A (en) | A kind of characterization processes in power cord production system | |
| CN204630542U (en) | Based on the pressure vessel ellipsoidal head testing instruments of ellipsograph | |
| CN104237065B (en) | Device for measuring tap density of coke | |
| CN209102809U (en) | Earth resistance tester | |
| CN108267489A (en) | The judgment method of dry change winding material based on metal material temperature-coefficient of electrical resistance | |
| CN204064975U (en) | Substation transformer non-solution body coil X ray transmitting illumination parameter measurement mechanism | |
| CN204129002U (en) | portable crude oil moisture measuring tool | |
| CN209589010U (en) | A kind of water conservancy inspection gap detection device | |
| CN108593714B (en) | Transformer internal moisture measurement system based on dielectric response characteristics of transformer built-in oiled paper insulation sample | |
| CN203965134U (en) | A kind of high-temperature detection device of door closer | |
| CN203672540U (en) | Linear tension meter | |
| CN206931463U (en) | A kind of low pressure winding of embedded fiber grating |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |