CN110459976A - A kind of insulating bar with leakage current monitoring and warning function - Google Patents

A kind of insulating bar with leakage current monitoring and warning function Download PDF

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Publication number
CN110459976A
CN110459976A CN201910741314.XA CN201910741314A CN110459976A CN 110459976 A CN110459976 A CN 110459976A CN 201910741314 A CN201910741314 A CN 201910741314A CN 110459976 A CN110459976 A CN 110459976A
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CN
China
Prior art keywords
leakage current
insulating bar
housing
connecting sleeve
warning function
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910741314.XA
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Chinese (zh)
Inventor
胡荣强
王颂锋
文彬彬
周朋振
邓海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Lead Electric Power Technology Co Ltd
Original Assignee
Wuhan Lead Electric Power Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Lead Electric Power Technology Co Ltd filed Critical Wuhan Lead Electric Power Technology Co Ltd
Priority to CN201910741314.XA priority Critical patent/CN110459976A/en
Publication of CN110459976A publication Critical patent/CN110459976A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)

Abstract

The present invention relates to a kind of insulating bars with leakage current monitoring and warning function, insulating bar includes holding rod, connecting sleeve and the operating stick for being coaxially disposed and being fixedly connected sequentially, connecting sleeve is the isolation material of rigidity, connecting sleeve one end is coated on the end of holding rod, its other end is coated on the end of operating stick, insulating spacer is equipped between the end of holding rod and the end of operating stick, the outer wall of connecting sleeve is equipped with the housing of tubular, the edge and connecting sleeve airtight connection of housing;The outer wall of housing is equipped with LED light, switch, is equipped with monitor controller, battery in housing, LED light, switch, battery are electrically connected with monitor controller respectively;Current sensor is provided in insulating spacer, current sensor is electrically connected with monitor controller.Operator is warned when insulating bar is in leakage current exception, so that operator carries out execute-in-place according to corresponding alert condition, ensures the safety of operating process personnel and equipment to greatest extent.

Description

A kind of insulating bar with leakage current monitoring and warning function
Technical field
The present invention relates to live working tools intelligent management fields, and in particular to a kind of monitoring of band leakage current and alarm The insulating bar of function.
Background technique
Insulating bar is the basic Work tool of indirect operating method in the specific operational method of livewire work, and operating personnel's hand is taken exhausted Specific events in operation are completed by the metal fixture of the mating installation of the insulating bar other end in edge bar one end.Existing insulating bar base All without leakage current monitoring and warning function in sheet, that is to say, that operation people loses in operation process since insulating bar insulate Effect or maloperation touch the electrical body of higher voltage grade, when leakage current is exceeded, may to operator's personal safety with And equipment safety causes consequence very serious.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of with leakage current monitoring and warning function Insulating bar has the function of leakage current size in real-time monitoring operation process, is carrying out hot line job using this insulating bar When, when leakage current is normal, only bright power supply indicator, when insulating bar touches electrical body and leakage current exception, according to letting out The size of leakage current sets the warning lamp there are two gear and warns to operator, so that operator is according to corresponding warning Situation carries out execute-in-place, ensures the safety of operating process personnel and equipment to greatest extent.
The technical scheme to solve the above technical problems is that
A kind of insulating bar with leakage current monitoring and warning function, the insulating bar include coaxial arrangement and successively fix Holding rod, connecting sleeve and the operating stick of connection, the connecting sleeve are the isolation material of rigidity, connecting sleeve one end packet Overlay on the end of the holding rod, its other end is coated on the end of the operating stick, the end of the holding rod and the behaviour Make to be equipped with insulating spacer between the end of bar, the outer wall of the connecting sleeve is equipped with the housing of tubular, the edge of the housing with The connecting sleeve airtight connection;The outer wall of the housing is equipped with LED light, switch, and monitoring control is equipped in the housing Device processed, battery, the LED light, the switch, the battery are electrically connected with the monitor controller respectively;It is described Current sensor is provided in insulating spacer, the current sensor is electrically connected with the monitor controller.
Insulating bar of the invention has the function of leakage current size in real-time monitoring operation process, is using this insulating bar Carry out hot line job when, when leakage current is normal, LED light is designated as normal condition, when insulating bar touch electrical body and When leakage current exception, the LED light there are two gear is set according to the size of leakage current, operator is warned respectively, So that operator carries out corresponding execute-in-place according to corresponding alert condition.Operator in operation can be real When recognize the state of current leak electric current, such as when insulating bar has touched electrical body, there is normal leakage current to flow through, The LED light of insulating bar can give normally to indicate, also operator can be allowed more watchful;When due to maloperation or insulation Bar decreasing insulating, when leakage current is more than warning limit, insulating bar can give operator's warning indicators, to greatest extent The safety for ensuring operating process personnel and equipment.
Based on the above technical solution, the present invention can also be improved as follows.
Preferably, the LED light includes power supply indicator, level-one warning lamp, second level warning lamp.In monitor controller The leakage current threshold value of two different safety class of middle setting, when the leakage current monitored is in safety zone, only bright electricity Source indicator light indicates that insulating bar is under normal monitoring state and current state is safety;When the leakage current monitored is more than Lesser threshold value and when being less than biggish threshold value, it is abnormal to indicate that leakage current occurs, operator need to stop operation and check; When the leakage current monitored is more than biggish threshold value, indicate that situation is dangerous, operator need to stop operation immediately and examine It looks into, and excludes hidden danger.Corresponding, power supply indicator, level-one warning lamp, second level warning lamp preferably use green light, amber light, red respectively Lamp.
Preferably, Circular shape lampshade is equipped with outside each LED light, the Circular shape lampshade is light-transmitting materials, described Circular shape lampshade is circumferentially positioned on the housing.The lampshade of annular light transmission has certain light conduction, keeps LED light bright When, alert status can be seen within one week in insulating bar, enhances warning effect.
Preferably, the inner surface of the Circular shape lampshade is set as frosting.Frosting is conducive to make LED light sending Light carries out diffusing reflection, uniformly propagates in Circular shape lampshade conducive to light, enhances warning effect.It is propagated out with the time across frosting It can become softer, prevent LED light from causing to stimulate to operator's eye when shining suddenly.
Preferably, cut-off ring is installed, the cut-off ring is annularly raised on the holding rod surface on the holding rod. Cut-off ring limits the hand of operator, it is therefore prevented that because situations such as operator's rubber sleeve accidentally comes in contact in operating process Operating side eliminates Partial security hidden danger.
Preferably, wireless charging module is additionally provided in the housing, the wireless charging module is electrically connected with the battery It connects.The energy consumption of this insulation rod device is low, to charge the battery using wireless charging mode, to provide electricity for monitor and alarm system Source, it is easy to operate, it is highly-safe.
Preferably, the end of the holding rod and the end of the operating stick are equipped with metal retaining, the metal retaining It is pushed against with the insulating spacer.Metal retaining can prevent the end of holding rod and the end of operating stick from causing to cut to insulating spacer Wound destroys electric clearance and creepage distance;Metal retaining is conducive to current sensor to the end of holding rod and operating stick simultaneously The detection of leakage current between end.
The beneficial effects of the present invention are: the insulating bar of the invention with leakage current monitoring and warning function has prison in real time The function of surveying leakage current size in operation process, when carrying out hot line job using this insulating bar, when leakage current is normal, Only bright power supply indicator, when insulating bar touches electrical body and leakage current exception, set according to the size of leakage current there are two The warning lamp of gear warns operator, so that operator carries out execute-in-place according to corresponding alert condition.Behaviour The state of current leak electric current can be recognized in real time by making personnel in operation, such as when insulating bar has touched electrification Body has normal leakage current to flow through, and the LED light of insulating bar can give normally to indicate, can also allow operator more Add watchful;When due to maloperation or insulating bar decreasing insulating, when leakage current is more than warning limit, insulating bar can be given Operator's warning indicators ensure the safety of operating process personnel and equipment to greatest extent.The energy consumption of this insulation rod device is low, adopts To charge the battery with wireless charging mode, easy to operate to provide power supply for monitor and alarm system, it is highly-safe.
Detailed description of the invention
Fig. 1 is outside drawing of the present invention;
Fig. 2 is the present invention along sectional view along A-A;
Fig. 3 is the portion B of the present invention partial enlarged view;
Fig. 4 is control planning figure of the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, holding rod, 101, cut-off ring, 2, operating stick, 201, fixture, 3, connecting sleeve, 301, monitor controller, 302, Battery, 303, wireless charging module, 304, current sensor, 305, power supply indicator, 306, level-one warning lamp, 307, second level Warning lamp, 308, insulating spacer, 309, switch, 310, housing, 4, metal retaining.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and It is non-to be used to limit the scope of the invention.
As shown in figures 1-4, a kind of insulating bar with leakage current monitoring and warning function, insulating bar include coaxial arrangement And holding rod 1, connecting sleeve 3 and the operating stick 2 being fixedly connected sequentially, holding rod 1 carry out this insulating bar for operator It holds, flexibly can correspond to the nipper 201 used, connecting sleeve 3 by installation exercise away from one end of holding rod 1 in operating stick 2 For the isolation material of rigidity, 3 one end of connecting sleeve is coated on the end of holding rod 1, its other end is coated on the end of operating stick 2 Portion, is equipped with insulating spacer 308 between the end of holding rod 1 and the end of operating stick 2, the outer wall of connecting sleeve 3 is equipped with tubular Housing 310, the edge and 3 airtight connection of connecting sleeve of housing 310;The outer wall of housing 310 is equipped with LED light, switch 309, be equipped with monitor controller 301, battery 302 in housing 310, LED light, switch 309, battery 302 respectively with prison It surveys controller 301 to be electrically connected, switch 309 uses button switch, and structure is simple, small in size;Electricity is provided in insulating spacer 308 Flow sensor 304, current sensor 304 are electrically connected with monitor controller 301.Current sensor 304 uses miniature current sense Device 304 comprising have sampling resistor, to flowing through operating stick 2 and the leakage current of holding rod 1 samples.Monitor controller 301 It include the MCU of high-precision AD conversion chip and low-power consumption, high-precision AD conversion chip passes through the leakage current values of sampling It is supplied to MCU after AD conversion and carries out operation.The current threshold there are two different warning levels is prestored in MCU, is 1 μ A and 10 μ A. When the leakage current values monitored are less than 1 μ A, it is expressed as normal condition, leakage current is not exceeded;When the leakage electricity monitored It is abnormal to indicate that leakage current occurs not less than 1 μ A but when being less than 10 μ A for flow valuve, and triggering level-one warning, LED light carries out phase It should warn, operator need to stop operation and check;When the leakage current monitored is greater than 10 μ A, triggering second level warning, Indicate that situation is dangerous, operator must stop operation immediately and check, and exclude security risk.
The insulating bar of the present embodiment has the function of leakage current size in real-time monitoring operation process, is using this insulation When bar carries out hot line job, when leakage current is normal, LED light is designated as normal condition, when insulating bar touches electrical body And when leakage current exception, the LED light there are two gear is set according to the size of leakage current, operator is warned respectively Show, so that operator carries out corresponding execute-in-place according to corresponding alert condition.Operator in operation can Enough states for recognizing current leak electric current in real time, such as when insulating bar has touched electrical body, there is normal leakage current It flows through, the LED light of insulating bar can give normally to indicate, also operator can be allowed more watchful;When due to maloperation Or insulating bar decreasing insulating, when leakage current is more than warning limit, insulating bar can give operator's warning indicators, most The safety for ensuring operating process personnel and equipment of limits.
Based on the above technical solution, the present embodiment can also do following improvement.
In the present embodiment, LED light includes power supply indicator 305, level-one warning lamp 306, second level warning lamp 307.In The leakage current threshold value of two different safety class is set in monitor controller 301, is in safety in the leakage current monitored When region, only bright power supply indicator 305, indicates that insulating bar is under normal monitoring state and current state is safety;Work as monitoring When the leakage current arrived is more than lesser threshold value and is less than biggish threshold value, it is abnormal to indicate that leakage current occurs, operator needs It stops operation and is checked;When the leakage current monitored is more than biggish threshold value, indicate that situation is dangerous, operator need to stand It stops operation and is checked, and exclude hidden danger.It is corresponding, power supply indicator 305, level-one warning lamp 306, second level warning lamp 307 preferably use green light, amber light, red light respectively.
In the present embodiment, it is equipped with Circular shape lampshade outside power supply indicator 305, level-one warning lamp 306, second level warning lamp 307, Circular shape lampshade is light-transmitting materials, and Circular shape lampshade is circumferentially positioned on housing 310.There is the lampshade of annular light transmission certain light to conduct Effect when keeping LED light bright, can be seen alert status in one week in insulating bar, enhance warning effect.
In the present embodiment, the inner surface of Circular shape lampshade is set as frosting.Frosting is conducive to make LED light sending Light carries out diffusing reflection, uniformly propagates in Circular shape lampshade conducive to light, enhances warning effect.It is propagated out with the time across frosting It can become softer, prevent LED light from causing to stimulate to operator's eye when shining suddenly.
In the present embodiment, cut-off ring 101 is installed on holding rod 1, cut-off ring 101 is annularly raised on 1 surface of holding rod. Cut-off ring 101 limits the hand of operator, it is therefore prevented that because situations such as operator's rubber sleeve surprisingly connects in operating process It contacts operating side, eliminates Partial security hidden danger.
In the present embodiment, wireless charging module 303, wireless charging module 303 and battery 302 are additionally provided in housing 310 Electrical connection.Wireless charging module 303 includes that charging receiving coil and battery charging and discharging manage circuit, when being charged, First close button switch fills the charging receiving coil of insulating bar close to external wireless charging base using electromagnetic induction principle Electric receiving coil generates induced current, manages circuit by battery charging and discharging as the charging of battery 302;When insulating bar is in normal work When making state, switch of releasing the button, insulating bar booting, it is monitoring that the electric energy of battery 302, which manages circuit by battery charging and discharging, Controller 301 provides power supply.The energy consumption of this insulation rod device is low, uses wireless charging mode for the charging of battery 302, thus for prison It surveys alarm system and power supply is provided, it is easy to operate, it is highly-safe.
In the present embodiment, the end of holding rod 1 and the end of operating stick 2 are equipped with metal retaining 4, metal retaining 4 and absolutely Edge partition 308 pushes against.Metal retaining 4 can prevent the end of holding rod 1 and the end of operating stick 2 from causing to cut to insulating spacer 308 Wound destroys electric clearance and creepage distance;Metal retaining 4 is conducive to end and operation of the current sensor 304 to holding rod 1 simultaneously The detection of leakage current between the end of bar 2.
Working principle:
Before using insulating bar effect, first presses button switch and boot up, then carry out operation.Current sensor 304 Sampling resistor holding rod 1 is flowed to operating stick 2 leakage current sample, high-precision AD conversion chip is by the leakage of sampling Current value is supplied to MCU progress operation after passing through AD conversion.The current threshold there are two different warning levels is prestored in MCU, point It Wei not 1 μ A and 10 μ A.From security standpoint, the leakage current values of monitoring are compared with biggish threshold value first by MCU, i.e., The leakage current values of monitoring are compared with 10 μ A first, if it is greater than 10 μ A, then it represents that present case is dangerous, leakage current Value severely exceeds, and may cause grave danger, and second level of setting out at this time warning, red light is bright, reminds operator that must stop grasping immediately It is checked, and excludes security risk;If the leakage current values of monitoring are not more than 10 μ A, it is carried out with lesser threshold value It compares, i.e., it is compared with 1 μ A, if it is greater than or equal to 1 μ A, then it represents that currently there is certain security risk, touch at this time Level-one warning is sent out, amber light is bright, reminds operator that need to stop operation and checks;If the leakage current values of monitoring less than 1 μ A, Indicate current leakage current values in safe range, current state is normal, and operator may continue.When insulating bar electricity It when insufficient, press button switch and shuts down, be then the charging of battery 302 using wireless charging module 303.
The insulating bar with leakage current monitoring and warning function of the present embodiment, which has in real-time monitoring operation process, to be leaked The function of size of current, when carrying out hot line job using this insulating bar, when leakage current is normal, only bright power supply indicator 305, when insulating bar touches electrical body and leakage current exception, the warning lamp there are two gear is set according to the size of leakage current Operator is warned, so that operator carries out execute-in-place according to corresponding alert condition.Operator is operating It can recognize the state of current leak electric current in real time in the process, such as when insulating bar has touched electrical body, have normal Leakage current flows through, and the LED light of insulating bar can give normally to indicate, also operator can be allowed more watchful;When by In maloperation or insulating bar decreasing insulating, when leakage current is more than warning limit, it is alert that insulating bar can give operator Show prompt, ensures the safety of operating process personnel and equipment to greatest extent.The energy consumption of this insulation rod device is low, using wireless charging Mode is the charging of battery 302, so that power supply is provided for monitor and alarm system, it is easy to operate, it is highly-safe.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (7)

1. a kind of insulating bar with leakage current monitoring and warning function, which is characterized in that the insulating bar includes coaxial arrangement And holding rod (1), connecting sleeve (3) and operating stick (2), the connecting sleeve (3) being fixedly connected sequentially are the insulation of rigidity Material, described connecting sleeve (3) one end is coated on the end of the holding rod (1), its other end is coated on the operating stick (2) End, between the end of the holding rod (1) and the end of the operating stick (2) be equipped with insulating spacer (308), the connection The outer wall of casing (3) is equipped with the housing (310) of tubular, the edge of the housing (310) and the connecting sleeve (3) closed company It connects;The outer wall of the housing (310) is equipped with LED light, switch (309), is equipped with monitor controller in the housing (310) 301, battery (302), the LED light, the switch (309), the battery (302) are controlled with the monitoring respectively Device (301) electrical connection;Be provided with current sensor (304) in the insulating spacer (308), the current sensor (304) with Monitor controller (301) electrical connection.
2. a kind of insulating bar with leakage current monitoring and warning function according to claim 1, which is characterized in that described LED light includes power supply indicator (305), level-one warning lamp (306), second level warning lamp (307).
3. a kind of insulating bar with leakage current monitoring and warning function according to claim 2, which is characterized in that Mei Yisuo It states and is equipped with Circular shape lampshade outside LED light, the Circular shape lampshade is light-transmitting materials, and the Circular shape lampshade is circumferentially positioned at described On housing (310).
4. a kind of insulating bar with leakage current monitoring and warning function according to claim 3, which is characterized in that the ring The inner surface of shape lampshade is set as frosting.
5. a kind of insulating bar with leakage current monitoring and warning function according to claim 1, which is characterized in that the hand It holds and cut-off ring (101) is installed on bar (1), the cut-off ring (101) is annularly raised on the holding rod (1) surface.
6. the insulating bar according to claim 1-5 with leakage current monitoring and warning function, which is characterized in that It is additionally provided with wireless charging module (303) in the housing (310), the wireless charging module (303) and the battery (302) Electrical connection.
7. a kind of insulating bar with leakage current monitoring and warning function according to claim 6, which is characterized in that the hand The end of the end and the operating stick (2) of holding bar (1) is equipped with metal retaining (4), the metal retaining (4) and the insulation Partition (308) pushes against.
CN201910741314.XA 2019-08-12 2019-08-12 A kind of insulating bar with leakage current monitoring and warning function Pending CN110459976A (en)

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Application Number Priority Date Filing Date Title
CN201910741314.XA CN110459976A (en) 2019-08-12 2019-08-12 A kind of insulating bar with leakage current monitoring and warning function

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CN110459976A true CN110459976A (en) 2019-11-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042618A (en) * 2019-12-13 2020-04-21 国网浙江嘉善县供电有限公司 Double-loop electrified upright pole support rod
CN112002568A (en) * 2020-08-24 2020-11-27 国网山东省电力公司长岛县供电公司 Insulating rod for live working

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103166137A (en) * 2013-02-22 2013-06-19 辽宁省电力有限公司丹东供电公司 Multifunctional and combined type intelligent insulating rod
CN204967077U (en) * 2015-08-16 2016-01-13 宋国民 High tension switchgear's insulator spindle
CN205450031U (en) * 2015-11-27 2016-08-10 台州超固电气有限公司 Insulation operating rod
CN206460090U (en) * 2016-12-25 2017-09-01 惠州市纬世新能源有限公司 A kind of fast and convenient acquisition high accuracy battery voltage check device
CN210669240U (en) * 2019-08-12 2020-06-02 武汉里得电力科技股份有限公司 Insulating rod with leakage current monitoring and alarming functions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103166137A (en) * 2013-02-22 2013-06-19 辽宁省电力有限公司丹东供电公司 Multifunctional and combined type intelligent insulating rod
CN204967077U (en) * 2015-08-16 2016-01-13 宋国民 High tension switchgear's insulator spindle
CN205450031U (en) * 2015-11-27 2016-08-10 台州超固电气有限公司 Insulation operating rod
CN206460090U (en) * 2016-12-25 2017-09-01 惠州市纬世新能源有限公司 A kind of fast and convenient acquisition high accuracy battery voltage check device
CN210669240U (en) * 2019-08-12 2020-06-02 武汉里得电力科技股份有限公司 Insulating rod with leakage current monitoring and alarming functions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042618A (en) * 2019-12-13 2020-04-21 国网浙江嘉善县供电有限公司 Double-loop electrified upright pole support rod
CN112002568A (en) * 2020-08-24 2020-11-27 国网山东省电力公司长岛县供电公司 Insulating rod for live working

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