CN206930709U - Device for charged for replacement counter of lightning arrester - Google Patents

Device for charged for replacement counter of lightning arrester Download PDF

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Publication number
CN206930709U
CN206930709U CN201720879704.XU CN201720879704U CN206930709U CN 206930709 U CN206930709 U CN 206930709U CN 201720879704 U CN201720879704 U CN 201720879704U CN 206930709 U CN206930709 U CN 206930709U
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CN
China
Prior art keywords
expansion link
level
clamp
band iron
ammeter
Prior art date
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Active
Application number
CN201720879704.XU
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Chinese (zh)
Inventor
张玉辉
党园
石海珍
梁思聪
董雪莲
马众
苏迪
孙永刚
魏恒
乔佳男
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.)
MAINTENANCE Co OF STATE GRID XINJIANG ELECTRIC POWER Co
State Grid Corp of China SGCC
Original Assignee
MAINTENANCE Co OF STATE GRID XINJIANG ELECTRIC POWER Co
State Grid Corp of China SGCC
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.)
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Application filed by MAINTENANCE Co OF STATE GRID XINJIANG ELECTRIC POWER Co, State Grid Corp of China SGCC filed Critical MAINTENANCE Co OF STATE GRID XINJIANG ELECTRIC POWER Co
Priority to CN201720879704.XU priority Critical patent/CN206930709U/en
Application granted granted Critical
Publication of CN206930709U publication Critical patent/CN206930709U/en
Active legal-status Critical Current
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Abstract

The utility model discloses a kind of device for charged for replacement counter of lightning arrester, and it includes two wiring clamp, and respectively upper wiring clamp and lower wiring clamp, upper wiring card clamp hold the upper band iron, and lower wiring card clamp holds the ground connection band iron;Ammeter is also included, copper band iron is installed with respectively on two binding posts of ammeter;The copper band iron is electrically connected by lead with the upper wiring clamp and lower wiring clamp respectively;The wiring clamp include housing, and housing includes the strap of top and the assembled plate of lower section, and strap and assembled plate be arranged in parallel;Screw rod upwardly extends via the screw opened up in assembled plate, the lifting clamping plate that screw tip installation is oppositely arranged with strap;Described lead one end is connected with screw rod, and one end is connected with copper band iron;The lead is copper core cable.

Description

Device for charged for replacement counter of lightning arrester
Technical field
The maintenance more changing device of counter of lightning arrester is the utility model is related to, specifically for aiding in the counter of arrester more Change.
Background technology
Zinc-Oxide Arrester (MOA) is the important devices of overvoltage protection in modern power systems.Because long-term work exists Outdoor, its easy aging of on-Line Monitor Device gauge outfit and is made moist, and this is not only influenceed to the real-time of the operating mode of Zinc-Oxide Arrester Monitoring, it is easier to cause accident.To ensure its effect of bringing into normal play, it is found that on-line equipment gauge outfit failure is needed at once Reason.Device replacing is carried out i.e. under power-off condition, so just have impact on the normal operation of grid equipment, is highlighted further each Kind drawback.
In order to monitor the total current in arrester normal course of operation in real time, most of arrester has been respectively mounted arrester and existed Line monitoring system.Due to reasons such as arrester on-line sensor quality, when there is arrester gauge outfit sensor fault to damage and water inlet Situation about making moist occurs, and causes arrester on-line monitoring system to lose monitoring function, is left for power network safety operation huge Hidden danger.Practice have shown that conventional method, which combines to have a power failure to carry out, changes arrester gauge outfit counter works, the cycle that has a power failure is longer, Before power failure, monitoring is lost in arrester operation, hidden danger is larger.
Therefore, the utility model is directed to the big problem of presence of prior art, designs a fast live line under working voltage Counter of lightning arrester specific purpose tool is changed, it solves charged for replacement gauge outfit counter by the protection of rapid wiring device and lost The problem of ground protection and real time monitoring function, hence it is evident that improve safety in operation and operating efficiency, have compared with high-tech convenience With preferable practicality.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided one kind is used for The device of charged for replacement counter of lightning arrester, it can aid in charged for replacement counter of lightning arrester process safety, simple, reliable Complete;Improve efficiency and security that counter is changed.
Technical scheme is used by the utility model solves its technical problem:
For the device of charged for replacement counter of lightning arrester, the upper band iron connection of counter one end and arrester, counter The other end and arrester ground connection band iron connect;Comprising two wiring clamp, respectively upper wiring clamp and lower wiring clamp, Upper wiring card clamp holds the upper band iron, and lower wiring card clamp holds the ground connection band iron;
Ammeter is also included, copper band iron is installed with respectively on two binding posts of ammeter;The copper band iron difference Electrically connected by lead with the upper wiring clamp and lower wiring clamp;
The wiring clamp include housing, and housing includes the strap of top and the assembled plate of lower section, strap and Assembled plate be arranged in parallel;Screw rod upwardly extends via the screw opened up in assembled plate, and screw tip installation is opposite with strap The lifting clamping plate of setting;
Described lead one end is connected with screw rod, and one end is connected with copper band iron;The lead is copper core cable.
As a kind of preferred embodiment of the present utility model:The strap, lifting clamping plate, stud are conducting metal Material;Strap is simultaneously evenly equipped with anti-skidding boss in opposite directions with lifting clamping plate, and the material of anti-skidding boss is conducting metal material.
As a kind of preferred embodiment of the present utility model:The opposite one side difference of the strap and lifting clamping plate Offer the holding tank of circular arc, respectively upper fastening groove and lower fastening groove.
As a kind of preferred embodiment of the present utility model:The bottom periphery of the screw rod is provided with what is radially extended Manual nut;Inside screw is hollow, and the lead is welded on inside screw;Stopper slot is offered on the lifting clamping plate, it is spacing The notch of groove extends towards limited location boss, and the top of the screw rod is stretched into inside stopper slot and is rotatably installed in stopper slot; Radially outward from rotating flange, rotating flange is located above positive stop lug boss on the top of screw rod.
As a kind of preferred embodiment of the present utility model:The ammeter is sensitive ammeter.
As a kind of preferred embodiment of the present utility model:The ammeter back side is provided for being connected on ground connection band iron Insulated fastener.
As a kind of preferred embodiment of the present utility model:The housing lateral surface of the upper wiring clamp is installed with Hand-held retractable rod;The hand-held retractable rod includes for the Handheld Division of hand holding and for setting stretching structure Pars contractilis;Pars contractilis is located above Handheld Division;The bottom of Handheld Division sets rubber sleeve;Pars contractilis includes three close to the position at top Individual telescopic joint, respectively one-level retractable guard and one-level expansion link, two level retractable guard and two level expansion link, three-level are stretched Contracting sheath and three-level expansion link;One-level expansion link slidably assemble on pars contractilis, in one-level stretch by two level expansion link slidably assemble On bar, three-level expansion link slidably assemble is on two level expansion link;The top of three-level expansion link, which is set with, to be used for and the upper wiring The mounting head that the housing side of clamp is fixedly connected, mounting head is by rivet on the top of the three-level expansion link;It is described Rivet is bilateral rivet;The one-level retractable guard is used for the slide construction for locking and loosening one-level expansion link and pars contractilis;Institute State the slide construction that two level retractable guard is used to locking and loosening two level expansion link and one-level expansion link, the three-level retractable guard For locking and loosening the slide construction of three-level expansion link and two level expansion link.
As a kind of preferred embodiment of the present utility model:It is provided with the Handheld Division for clamping the ammeter Gripping platform, the surface of Gripping platform is rectangle structure, and diagonal offers guide groove, sliding on the guide groove The dynamic grip block for being assembled with L-type structure;Gripping platform surface, horizontal direction is provided with crossed strip, crossed strip both ends It is connected to the corresponding edge of grip block;Gripping platform surface, vertical direction is provided with Vertical Spring, Vertical Spring both ends connect It is connected on the corresponding edge of grip block;
The grip block is four, is distributed in the position at rectangular close four angles, is respectively used to block the four of mobile phone Individual angle.
As a kind of preferred embodiment of the present utility model:The thickness of the grip block is less than or equal to ammeter thickness 3/4ths.
The utility model has advantages below compared with prior art:
The disclosed device for powered more preferable counter of lightning arrester of the utility model, it is monitored and kept away in real time by ammeter Thunder device leakage current, ensures the personal safety of staff;By connecting band iron in copper core cable and binding clip clipper joint, it is ensured that Wiring clamp can obtain the stable leakage current for flowing through arrester lead when stepping up;By connecting copper core cable and wiring clamp Connect lower end ground connection band iron, it is ensured that the leakage current of arrester lead is stably flowed into earth terminal.
Therefore, the utility model fast live line replacing counter of lightning arrester specific purpose tool is simple in construction, stable, reliable, carries High maintainer's safety assurance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present utility model;
Fig. 2 is schematic view of the mounting position of the present utility model;
Fig. 3 is a kind of structural representation of embodiment of wiring clamp of the present utility model;
Fig. 4 is a kind of structural representation of preferred embodiment of wiring clamp of the present utility model;
Fig. 5 is the structural representation of another embodiment of wiring clamp of the present utility model;
Fig. 6 is a kind of structural representation of preferred embodiment of the present utility model;
Fig. 7 is the structural representation of another preferred embodiment of the present utility model.
Description of reference numerals:
The upper wiring clamp of 1-, 2- copper core cables, 3- copper band irons, 4- ammeters, wiring clamp under 5-, 6- arresters, 7- meters Number device, the upper band irons of 9-, 10- ground connection band irons;
101- housings, 102- lifting clamping plates, 103- assembled plates, 104- screw rods, 105- lower fastening grooves, 106- upper fastening grooves, 107- Strap, 108- screws, the anti-skidding boss of 109-, 110- leads, 111- cavitys, 112- manual nuts, 113- rotating flanges, 114- stopper slots, 115- positive stop lug boss;
201- rubber sleeves, 202- Handheld Divisions, 203- pars contractilis, 204- one-level retractable guards, 205- one-level expansion links, 206- Two level retractable guard, 207- two level expansion links, 208- three-level retractable guards, 209- three-level expansion links, 210- rivets, 211- installations Head;216- Gripping platforms, 217- guide grooves, 218- grip blocks, 219- crossed strips, 220- Vertical Springs.
Embodiment
Below in conjunction with the accompanying drawings and embodiment describes the utility model embodiment:
As shown in Fig. 1~7, it illustrates specific embodiment of the utility model, as illustrated, disclosed in the utility model For the device of charged for replacement counter of lightning arrester, the one end of counter 7 is connected with the upper band iron 9 of arrester 6, counter it is another End is connected with the ground connection band iron 10 of arrester;The utility model includes two wiring clamp, and respectively upper wiring clamp 1 connect with Line card pincers 5, upper wiring card clamp holds the upper band iron 9, and lower wiring card clamp holds the ground connection band iron;
Ammeter 4 is also included, copper band iron 3 is installed with respectively on two binding posts of ammeter;The copper band iron point Do not electrically connected by lead 110 with the upper wiring clamp and lower wiring clamp;
The wiring clamp include housing 101, and housing includes the strap 107 of top and the assembled plate 103 of lower section, Gu Clamp plate and assembled plate be arranged in parallel;Screw rod upwardly extends via the screw 108 opened up in assembled plate, and screw tip installation is with consolidating The lifting clamping plate 102 that clamp plate is oppositely arranged;
Described lead one end is connected with screw rod 104, and one end is connected with copper band iron;The lead is copper core cable 2.
The utility model is rotated by screw rod, steps up wiring clamp.In use, by arrester draw lower band iron topmost with Wiring clamp is fixed, then by after lower ground connection band iron and the fixation of wiring clamp, ammeter is drawing lower band iron top by fixed position.This When ammeter connect, whether observation ammeter registration monitoring grounding device can be reliably connected in real time, so that entering safely and fast Row charged for replacement counter of lightning arrester.
Preferably, as shown in Figure 4:The strap 107, lifting clamping plate 102, stud 104 are conducting metal material;Gu Clamp plate is simultaneously evenly equipped with anti-skidding boss 115 in opposite directions with lifting clamping plate, and the material of anti-skidding boss is conducting metal material.Set anti- Sliding boss can increase clamping force, ensure reliability.
Preferably, as shown in Fig. 1,2,3,4,5:The opposite one side of the strap and lifting clamping plate offers circle respectively The holding tank of arc, respectively upper fastening groove 106 and lower fastening groove 105.The holding tank of circular arc can more adapt to flat ironing surface Radian, increase contact area, so as to increase clamping reliability.
Preferably, as shown in Figure 5:The bottom periphery of the screw rod is provided with the manual nut 112 radially extended;Screw rod Inner hollow, the lead are welded on inside screw;Stopper slot 114, the notch phase of stopper slot are offered on the lifting clamping plate To positive stop lug boss 115 is extended with, the top of the screw rod is stretched into inside stopper slot and is rotatably installed in stopper slot;The top of screw rod Radially outward from rotating flange 113, rotating flange is located at the top of positive stop lug boss 115 at end.Manual nut can be more laborsaving reliable Tighten screw rod;The present embodiment can allow screw rod lifting process only to drive lifting clamping plate lifting without rotating, therefore can allow Clamp relatively reliable.
Preferably, as depicted in figs. 1 and 2:The ammeter is sensitive ammeter.Sensitive ammeter is also sensitive electric current Meter;It is a kind of highly sensitive moving- coil instrument, 10^-7~10^-12A Weak current can be measured.
Preferably, as shown in the figure:The ammeter back side is provided for the insulated fastener being connected on ground connection band iron.Insulated fastener Can be plastic buckle or plastic grip so that ammeter is reliably easily fixed in use.
Preferably, as shown in Figure 6:The housing lateral surface of the upper wiring clamp is installed with hand-held retractable rod; The hand-held retractable rod includes the Handheld Division 202 for being used for hand holding and the pars contractilis 203 for setting stretching structure;Stretch Contracting portion is located above Handheld Division;The bottom of Handheld Division sets rubber sleeve 201;Pars contractilis includes three close to the position at top to be stretched The joint of contracting, respectively one-level retractable guard 204 and one-level expansion link 205, two level retractable guard 206 and two level expansion link 207, Three-level retractable guard 208 and three-level expansion link 209;One-level expansion link slidably assemble is on pars contractilis, two level expansion link Slide Group On one-level expansion link, three-level expansion link slidably assemble is on two level expansion link;The top of three-level expansion link, which is set with, to be used for The mounting head 211 being fixedly connected with the housing side of the upper wiring clamp, mounting head are riveted on the three-level by rivet 210 The top of expansion link;The rivet is bilateral rivet;The one-level retractable guard is used to lock and loosen one-level expansion link with stretching The slide construction in contracting portion;The two level retractable guard is used to lock and loosens two level expansion link and the slip knot of one-level expansion link Structure, the three-level retractable guard are used for the slide construction for locking and loosening three-level expansion link and two level expansion link.In view of upper wiring The clip position of clamp is higher (2.8 meters or so), can in order to prevent falling during whole side view after wiring card clamp is held To be supported by holding expansion link disclosed in the present embodiment, the height of support can also be adjusted, it is ensured that safe operation;Tool Body, the hand-held retractable rod disclosed in the present embodiment includes the detailed structure of three telescopic joints, and three telescopic joints are Most height requirement can be met, three sheaths (one-level retractable guard, two level retractable guard are contained in three telescopic joints With three-level retractable guard), the locking of sheath and loosen can by the structure of trip bolt is opened up on sheath come realize correspondingly Position holds out against and loosened;Can also be by tightening sheath, sheath bore, which diminishes, comes each joint of clamping;Sheath bore can be Grading structure, taper into, be connected through a screw thread after structure tightens sheath, sheath moves up, so as to clamping pair from top to bottom The expansion link answered so that expansion link can not stretch, so as to lock.
Preferably, as shown in Figure 7:Gripping platform 216 for clamping the ammeter is installed on the Handheld Division, pressed from both sides The surface of fair platform is rectangle structure, and diagonal offers guide groove 217, and Slide Group is equipped with L on the guide groove The grip block 218 of type structure;Gripping platform surface, horizontal direction is provided with crossed strip 219, the connection of crossed strip both ends In the corresponding edge of grip block;Gripping platform surface, vertical direction is provided with Vertical Spring 220, Vertical Spring both ends connect It is connected on the corresponding edge of grip block;
The grip block is four, is distributed in the position at rectangular close four angles, is respectively used to block the four of mobile phone Individual angle.If easily causing the loosening of wiring and observation inconvenient in view of ammeter placement location in monitoring process is improper, Ammeter is clamped in the upper of hand-held expansion link by the present embodiment, is easy to Real Time Observation.
Preferably, as shown in the figure:The thickness of the grip block is less than or equal to 3/4ths of ammeter thickness;Thickness refers to Perpendicular to the direction of the display surface of ammeter, this proportionate relationship enables grip block reliable retention ammeter..
To sum up, the utility model has advantages below:
1st, its binding clip clamp can obtain stable flow through in leakage current of an arrester meter upper end and earth terminal band iron The leakage current of 750kV arrester leads.
2nd, a sensitive ammeter, copper band iron and copper core cable are included in its termination, for connecting end and root; Sensitive ammeter is used for real-time monitoring grounding electric current;Bottom binding clip clipper joint root earth terminal and fixed current meter.
3rd, the installation weight is light, small volume, easy to carry, simple to operate, can carry out the work of charged for replacement gauge outfit simultaneously, have While effect improves operating efficiency, the security risk of tester is largely reduced.
4th, the device can be applied to 750kV and the powered quick-replaceable work of following voltage class counter of lightning arrester, be one Kind utility model patent.
It is of the present utility model to be achieved through the following technical solutions:
1st, leakage current of an arrester is monitored by sensitive ammeter in real time, ensures the personal safety of staff.
2nd, lower band iron is drawn by connecting copper cable and binding clip clipper joint upper end, it is ensured that can be obtained when wiring clamp steps up steady The fixed leakage current for flowing through arrester lead.
3rd, it is grounded band iron by connecting copper cable and binding clip clipper joint lower end, it is ensured that by the leakage current of arrester lead It is stable to flow into earth terminal.
The utility model fast live line replacing counter of lightning arrester specific purpose tool is simple in construction, stable, reliable, improves inspection Repair personal security guarantee.
The utility model preferred embodiment is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to Above-mentioned embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from Made a variety of changes on the premise of objective.
Many other changes and remodeling can be made by not departing from spirit and scope of the present utility model.It should be appreciated that this reality Specific embodiment is not limited to new, the scope of the utility model is defined by the following claims.

Claims (9)

1. for the device of charged for replacement counter of lightning arrester, the upper band iron of counter one end and arrester connects, counter The ground connection band iron of the other end and arrester connects;It is characterized in that:Comprising two wiring clamp, respectively upper wiring clamp are with Wiring clamp, upper wiring card clamp hold the upper band iron, and lower wiring card clamp holds the ground connection band iron;
Ammeter is also included, copper band iron is installed with respectively on two binding posts of ammeter;The copper band iron passes through respectively Lead electrically connects with the upper wiring clamp and lower wiring clamp;
The wiring clamp include housing, and housing includes the strap of top and the assembled plate of lower section, strap and assembling Plate be arranged in parallel;Screw rod is upwardly extended via the screw opened up in assembled plate, and screw tip installation is oppositely arranged with strap Lifting clamping plate;
Described lead one end is connected with screw rod, and one end is connected with copper band iron;The lead is copper core cable.
2. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 1, it is characterised in that:The geometrical clamp Plate, lifting clamping plate, stud are conducting metal material;Strap is simultaneously evenly equipped with anti-skidding boss in opposite directions with lifting clamping plate, anti-skidding The material of boss is conducting metal material.
3. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 1, it is characterised in that:The strap The holding tank of circular arc, respectively upper fastening groove and lower fastening groove are offered respectively with the opposite one side of lifting clamping plate.
4. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 1, it is characterised in that:The bottom of the screw rod End periphery is provided with the manual nut radially extended;Inside screw is hollow, and the lead is welded on inside screw;The lifting Stopper slot is offered on clamping plate, the notch of stopper slot extends towards limited location boss, and the top of the screw rod is stretched into stopper slot Portion and it is rotatably installed in stopper slot;Radially outward from rotating flange, rotating flange is located above positive stop lug boss on the top of screw rod.
5. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 1, it is characterised in that:The ammeter is Sensitive ammeter.
6. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 1, it is characterised in that:The ammeter back side is set Put the insulated fastener for being connected on ground connection band iron.
7. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 1, it is characterised in that:The upper wiring card The housing lateral surface of pincers is installed with hand-held retractable rod;The hand-held retractable rod, which includes, is used for the hand that hand is held Hold portion and the pars contractilis for setting stretching structure;Pars contractilis is located above Handheld Division;The bottom of Handheld Division sets rubber sleeve;Stretch Contracting portion includes three telescopic joints close to the position at top, and respectively one-level retractable guard and one-level expansion link, two level is stretched Contracting sheath and two level expansion link, three-level retractable guard and three-level expansion link;One-level expansion link slidably assemble is on pars contractilis, two level Expansion link slidably assemble is on one-level expansion link, and three-level expansion link slidably assemble is on two level expansion link;The top of three-level expansion link End is set with the mounting head for being fixedly connected with the housing side of the upper wiring clamp, and mounting head is by rivet in institute State the top of three-level expansion link;The rivet is bilateral rivet;The one-level retractable guard is used to lock and loosen one-level to stretch The slide construction of bar and pars contractilis;The two level retractable guard is used for the cunning for locking and loosening two level expansion link and one-level expansion link Dynamic structure, the three-level retractable guard are used for the slide construction for locking and loosening three-level expansion link and two level expansion link.
8. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 7, it is characterised in that:On the Handheld Division Gripping platform for clamping the ammeter is installed, the surface of Gripping platform is rectangle structure, and diagonal is opened Provided with guide groove, Slide Group is equipped with the grip block of L-type structure on the guide groove;Gripping platform surface, sets along horizontal direction Crossed strip is equipped with, crossed strip both ends are connected to the corresponding edge of grip block;Gripping platform surface, is set along vertical direction There is Vertical Spring, Vertical Spring both ends are connected to the corresponding edge of grip block;
The grip block is four, is distributed in the position at rectangular close four angles, is respectively used to block four angles of mobile phone.
9. it is used for the device of charged for replacement counter of lightning arrester as claimed in claim 8, it is characterised in that:The grip block Thickness is less than or equal to 3/4ths of ammeter thickness.
CN201720879704.XU 2017-07-19 2017-07-19 Device for charged for replacement counter of lightning arrester Active CN206930709U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720879704.XU CN206930709U (en) 2017-07-19 2017-07-19 Device for charged for replacement counter of lightning arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720879704.XU CN206930709U (en) 2017-07-19 2017-07-19 Device for charged for replacement counter of lightning arrester

Publications (1)

Publication Number Publication Date
CN206930709U true CN206930709U (en) 2018-01-26

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ID=61354891

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720879704.XU Active CN206930709U (en) 2017-07-19 2017-07-19 Device for charged for replacement counter of lightning arrester

Country Status (1)

Country Link
CN (1) CN206930709U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112072546A (en) * 2020-09-07 2020-12-11 广东电网有限责任公司东莞供电局 Method and device for replacing counter on lightning arrester

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112072546A (en) * 2020-09-07 2020-12-11 广东电网有限责任公司东莞供电局 Method and device for replacing counter on lightning arrester

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