CN206274553U - A kind of spiral compression formula earthing clamp - Google Patents
A kind of spiral compression formula earthing clamp Download PDFInfo
- Publication number
- CN206274553U CN206274553U CN201621219821.5U CN201621219821U CN206274553U CN 206274553 U CN206274553 U CN 206274553U CN 201621219821 U CN201621219821 U CN 201621219821U CN 206274553 U CN206274553 U CN 206274553U
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- China
- Prior art keywords
- screw rod
- clamping plate
- adjustment seat
- busbar
- control module
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- 230000006835 compression Effects 0.000 title claims abstract description 19
- 238000007906 compression Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Abstract
The utility model discloses a kind of spiral compression formula earthing clamp, including adjustment seat, screw rod, insulating bar and remote control.Ground wire is connected with the ground terminal in adjustment seat, when needing to be connected busbar with ground wire, the binding clip is lifted by operating personnel is hung on busbar, busbar is set to be located between train wheel bridge, the blessing face of mobile clamping plate, then by pressing an operation button on remote control, control module controlled motor is rotated forward, motor drives screw rod to rotate, then adjustment seat is moved down relative to screw rod, and train wheel bridge, the blessing interplanar distance of mobile clamping plate are tapered into, until busbar is stepped up.When needing to depart from busbar and ground wire, another operation button on pressing remote control, the reversion of control module controlled motor, train wheel bridge, the blessing interplanar distance of mobile clamping plate become larger, and busbar is released.It is easy to operate using the smart grounding wire clamp, it is time saving and energy saving, the operating time is saved, shorten because of power off time caused by ground wire operation.
Description
Technical field
The utility model is related to a kind of spiral compression formula earthing clamp.
Background technology
Ground wire is used for wired earth, is to ensure electric power O＆M and maintainer's personal safety, it is ensured that sturdy power grid
Necessary devices, however, assembly and disassembly ground wire is danger electric operation higher, if there is accident, by serious harm personnel
Personal safety, the normal operation of equipment, and power network steady operation.In recent years, during transformer substation grounding wire handling failure accident
There is generation, how to improve handling safety, strengthen stable connection, lifting operation speed per hour turns into extremely urgent problem.
Conventional ground wire mainly has two kinds at present, and one kind is by short circuit grounding wire end line, ground connection end terminal and ground connection
The operation stick ground wire of operation stick composition.The throwing that another kind is made up of ground connection end line, insulating cord, short-circuit line, wire end terminal
Hanging ground wire.Operation bar type short-circuit grounding wire can be divided into spring compression type, spiral compression according to wire end terminal form difference
Formula, flat and jaw mouthful formula etc..The rectangle busbar of Circuit Fault on Secondary Transformer is generally using spiral compression formula ground connection in 110kv transformer stations
Line, this ground wire controls earthing clamp by the bolt with range-adjustable in wire clamp, it is necessary to manual rotation's bolt is come elastic
With the connection of busbar.
In practical operation, part employee's strength is smaller, it is impossible to independent to tighten bolt, has both influenceed power failure emergency repair time, and
In the presence of the risk of destruction stability of power system；Furthermore, swivel bolt while operating personnel need to fix operation stick is usually led
Cause ground wire screens not tight or dislocation, easily cause and connect unreliable, increase ground wire and fall risk；In addition, in order to confirm to connect
Ground wire situation of the loading and unloading, the employee of dysphotia is not conscious to cross safe distance, jeopardizes inherently safe.Manual rotation's bolt causes dress
Unload work to take time and effort, processing safety cannot also be ensured, therefore, it is necessary to improve existing ground wire, connect with shortening assembly and disassembly
The time of ground wire, increase the connection reliability and stability of ground wire.
The content of the invention
The purpose of this utility model is to provide a kind of spiral compression formula earthing clamp, solves operation maintenance personnel in the prior art
When hanging earthing conductor is not easy to operate, ground wire is heavier screens do not cause tightly to be grounded loosely with hang, tear ground wire time technical problem long open.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：
A kind of spiral compression formula earthing clamp, including：
Adjustment seat, the adjustment seat is C-shaped, and adjustment seat is provided with ground terminal, and the adjustment seat includes train wheel bridge with
Clamping plate, offers tapped through hole on lower plate；
Screw rod, the screw rod is threadedly coupled through screwed hole with adjustment seat, and the upper end of screw rod is rotatably connected to by bearing
Mobile clamping plate, mobile clamping plate is relative with train wheel bridge, and train wheel bridge, the blessing face of mobile clamping plate are plane, and are each perpendicular to screw rod
Axis；
Insulating bar, is fixed with control module, motor and power supply, the output shaft and spiral shell of motor on the insulating bar
The lower end of bar is connected, and is electrically connected between control module and motor, and power supply is powered for control module；
Remote control, is equipped with two operation buttons on the remote control, radio communication is carried out between remote control and control module,
By pressing two operation buttons, controlled motor is rotated and reverse respectively.Using wireless remote control technology, by remote control control
The rotation of motor.The receiver of remote control switch relay is provided with control module, accordingly, remote control is provided with switch relay
The matching operation button of device, one of operation button controlled motor is rotated forward, the reversion of another operation button controlled motor, with
Loosening, tighten for this control ground wire, in order to ensure operating personnel's safety, extends motor service life, sets deadlock free program, forbids two
Individual operation button is pressed simultaneously.
Ground wire is connected with the ground terminal in adjustment seat, when needing to be connected busbar with ground wire, will by operating personnel
The binding clip is lifted and is hung on busbar, busbar is located between train wheel bridge, the blessing face of mobile clamping plate, then by pressing remote control
An operation button on device, carries out radio communication between remote control and control module, control signal is passed into control module,
Control module controlled motor rotate forward, motor drive screw rod rotate, because screw rod is threadedly coupled with adjustment seat, then adjustment seat relative to
Screw rod is moved down, and train wheel bridge, the blessing interplanar distance of mobile clamping plate are tapered into, until busbar is stepped up, reaches busbar with ground
The purpose of line connection.When needing to depart from busbar and ground wire, another operation button on remote control, remote control and control are pressed
Radio communication is carried out between molding block, control signal is passed into control module, control module controlled motor reversion, motor drives
Screw rod is rotated, and because screw rod is threadedly coupled with adjustment seat, then adjustment seat is moved up relative to screw rod, train wheel bridge, mobile clamping plate
Blessing interplanar distance become larger, busbar is released.
It is easy to operate using the smart grounding wire clamp, it is time saving and energy saving, the operating time is increased in saving, shorten because of ground connection
Power off time caused by line operation.Reduce dangerous risk.And busbar can be made good with ground wire fastening, reduce ground wire and fall
Fall or loose contact probability.The application is directed to the widely used rectangle busbar of 110kv Circuit Fault on Secondary Transformer, it is proposed that a kind of
The novel intelligent compression type ground wire of integrated motor drag and wireless remote control device, using novel intelligent compression type ground wire after,
The single-phase handling ground wire of single can save the time of 25 seconds, and once-through operation has three-phase bus bar, along with handling are operated twice, extremely
The time of 150s can be saved less, the benefit economically brought so much time, the benefit in labor is all can not be pre-
Estimate.Meanwhile, the lifting of service speed does not have reduction operation quality, conversely, the use of novel intelligent compression type ground wire, carries
High processing safety and accurate steadiness, meet the construction requirements of sturdy power grid.
Further improve, also including the carrying current blocking device being arranged on mobile clamping plate, the carrying current locking
Electrically connected between device and control module.Operation employee is when ground wire is hung, it is necessary to keep certain safe distance, voltage class
Higher, safe distance is more remote, it is difficult to whether accurate judge to connect wires be connected in place with busbar, motor long time running can be reduced to be made
With the life-span, or even cause ground wire to damage, the time is short, easily cause that screens is not tight again, ground wire comes off, especially wind,
In the case that the natural environments such as rain are severe.Therefore, there is provided limit driving current, when ground wire is connected in place with busbar, pole
Threshold currents blocking device is acted, and by the signal transmission to control module, control module controlled motor automatic blocking stops work
Make.
Further improve, also including the current sensor and indicator lamp that are arranged on mobile clamping plate, the current sensor
Electrically connected and indicator lamp and control module between.Operation employee is when ground wire is unloaded, it is also difficult to which judgement is connected wires with busbar and is
No disengaging, particularly under conditions of insufficient light, equally, reversion motor not only influences motor service life for a long time, also holds
Electric energy and waste of time are easily caused, therefore, by installing current sensor and indicator lamp, when busbar and ground connection linear contact lay,
Indicator lamp is bright, conversely, indicator lamp goes out.So, either install or unloading ground wire, can operating personnel be played with prompting
Effect.At the same time it can also prevent, bus during operation is powered suddenly to wait fortuitous casualty.
Further improve, the diameter parallel of guide rail, guide rail and screw rod, the side of mobile clamping plate are provided with the adjustment seat
Draw-in groove is offered, mobile clamping plate is fastened on guide rail by draw-in groove, and adjustment seat is pressed from both sides relative to mobile when motor drives screw rod to rotate
Plate is moved, and improves the monolithic stability phase of ground clamp, prevents from being shaken in screw rod lifting process.
Further improve, the insulating bar is telescopic rod, can be according to the appropriate adjustment insulating bar of busbar height
Length, convenient operation.
Compared with prior art, the utility model has the advantages that：
Using the smart grounding wire clamp, in terms of the operating time, novel intelligent rotatably compresses formula ground wire due to being integrated with
Wireless remote control and motor drag technology, with little need for the time, any operator can quickly complete the handling of ground wire, and
Traditional formula ground wire that rotatably compresses then needs to experience the processes such as artificial rotation process rod drive bolt, takes time and effort, to part
It is even more so for female operator, virtually increased power off time.
In terms of processing safety, novel intelligent rotatably compresses formula ground wire due to having installed busbar alternator indicator and pole
Threshold currents blocking device, the ground wire more traditional to the safety of the person and equipment has General Promotion.
In terms of operating accuracy, novel intelligent rotatably compresses formula ground wire and thoroughly breaks away from manual rotary operation so that connect
Ground wire and busbar connection are more consolidated and tight.Solve traditional ground wire screens to be forbidden, the problems such as ground wire easily falls.
The General Promotion of operating characteristics, it is meant that resource distribution more optimizes, electrical power services more high-quality, power network is harder
By force.
Brief description of the drawings
Fig. 1 is the structural representation of spiral compression formula earthing clamp described in the utility model.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Specific embodiment
In order to more fully understand the utility model, phase of the present utility model is further elucidated inside the Pass with reference to embodiment
Hold, but content of the present utility model is not limited solely to the following examples.
As shown in Figure 1, 2, a kind of spiral compression formula earthing clamp, including：
Adjustment seat 1, the adjustment seat is C-shaped, and adjustment seat is provided with ground terminal 13, and the adjustment seat 1 includes train wheel bridge
11 and lower plate 12, tapped through hole 15 is offered on lower plate 12；
Screw rod 3, the screw rod 3 is threadedly coupled through screwed hole with adjustment seat 1, and the upper end of screw rod 3 is rotated by bearing and connected
Mobile clamping plate 2 is connected to, mobile clamping plate 2 is relative with train wheel bridge 11, train wheel bridge 11, the blessing face of mobile clamping plate 2 are plane, and hang down
Directly in the axis of screw rod 3；
Insulating bar 4, is fixed with control module 42, motor 41 and power supply, the output of motor on the insulating bar 4
Axle is connected with the lower end of screw rod 3, is electrically connected between control module and motor, and power supply is powered for control module；
Remote control 5, is equipped with two operation buttons 51 on the remote control 5, nothing is carried out between remote control 5 and control module 42
Line is communicated, and by pressing two operation buttons 51, controlled motor is rotated and reverse respectively.Using wireless remote control technology, by distant
Control the rotation of device controlled motor.The receiver of remote control switch relay is provided with control module 42, accordingly, is set on remote control
There is the matching operation button of switch relay, one of operation button controlled motor is rotated forward, the control of another operation button
Motor 41 is inverted, and loosening, tighten for ground wire is controlled with this, in order to ensure operating personnel's safety, extends motor service life, sets dead
Lock program, forbids two operation buttons while pressing.
Ground wire is connected with the ground terminal in adjustment seat, when needing to be connected busbar with ground wire, will by operating personnel
The binding clip is lifted and is hung on busbar, busbar is located between train wheel bridge 11, the blessing face of mobile clamping plate 2, then by pressing
An operation button 51 on remote control, carries out radio communication between remote control 5 and control module, control signal is passed into control
Molding block 42, control module controlled motor 41 is rotated forward, and motor drives screw rod to rotate, because screw rod is threadedly coupled with adjustment seat, then
Adjustment seat is moved down relative to screw rod, and train wheel bridge, the blessing interplanar distance of mobile clamping plate are tapered into, until busbar is stepped up,
Reach the purpose that busbar is connected with ground wire.When needing to depart from busbar and ground wire, another operation on pressing remote control is pressed
Button, carries out radio communication between remote control and control module, control signal is passed into control module, control module controlled motor
Reversion, motor drives screw rod to rotate, and because screw rod is threadedly coupled with adjustment seat, then adjustment seat is moved up relative to screw rod, on
Clamping plate, the blessing interplanar distance of mobile clamping plate become larger, and busbar is released.
In the present embodiment, also including the carrying current blocking device being arranged on mobile clamping plate 2, the carrying current is closed
Electrically connected between locking device and control module.Operation employee is when ground wire is hung, it is necessary to keep certain safe distance, voltage etc.
Level is higher, and safe distance is more remote, it is difficult to whether accurate judge to connect wires be connected in place with busbar, the long time running of motor 41 can drop
Low service life, or even cause ground wire to damage, the time is short, easily causes that screens is not tight again, and ground wire comes off, and especially exists
In the case that the natural environments such as wind, rain are severe.Therefore, there is provided limit driving current, when ground wire is connected in place with busbar,
Carrying current blocking device is acted, and by the signal transmission to control module, control module controlled motor automatic blocking stops work
Make.
In the present embodiment, also including the current sensor and indicator lamp that are arranged on mobile clamping plate, the current sense
Electrically connected between device and indicator lamp and control module.Operation employee is when ground wire is unloaded, it is also difficult to which judgement is connected wires and busbar
Whether depart from, particularly under conditions of insufficient light, equally, reversion motor not only influences motor service life for a long time,
Electric energy and waste of time are easily caused, therefore, by installing current sensor and indicator lamp, when busbar and ground connection linear contact lay
When, indicator lamp is bright, conversely, indicator lamp goes out.So, either install or unloading ground wire, operating personnel can be played
Suggesting effect.At the same time it can also prevent, bus during operation is powered suddenly to wait fortuitous casualty.
In the present embodiment, the diameter parallel of guide rail 14, guide rail 14 and screw rod 3, mobile folder are provided with the adjustment seat 1
The side of plate 2 offers draw-in groove, and mobile clamping plate 2 is fastened on guide rail 14 by draw-in groove, and motor 41 drives screw rod 3 to be adjusted when rotating
Seat 1 is moved relative to mobile clamping plate 2, improves the monolithic stability phase of ground clamp, prevents from being shaken in screw rod lifting process
It is dynamic.
In the present embodiment, the insulating bar 4 is telescopic rod, can be according to the appropriate adjustment insulation operation of busbar height
The length of bar, convenient operation.
Do not done in the utility model illustrate be prior art or be capable of achieving by prior art, Er Qieben
It is only preferable case study on implementation of the present utility model that case is embodied described in utility model, not for limiting this practicality
New practical range.The equivalence changes that i.e. all contents according to present utility model application the scope of the claims are made and modification, should all make
It is technology category of the present utility model.
Claims (5)
1. a kind of spiral compression formula earthing clamp, it is characterised in that including：
Adjustment seat, the adjustment seat is C-shaped, and adjustment seat is provided with ground terminal, and the adjustment seat includes train wheel bridge and lower plate,
Tapped through hole is offered on lower plate；
Screw rod, the screw rod is threadedly coupled through screwed hole with adjustment seat, and the upper end of screw rod is rotatably connected to movement by bearing
Clamping plate, mobile clamping plate is relative with train wheel bridge, and train wheel bridge, the blessing face of mobile clamping plate are plane, and are each perpendicular to the axis of screw rod；
Insulating bar, is fixed with control module, motor and power supply, output shaft and the screw rod of motor on the insulating bar
Lower end is connected, and is electrically connected between control module and motor, and power supply is powered for control module；
Remote control, is equipped with two operation buttons on the remote control, radio communication is carried out between remote control and control module, passes through
Controlled motor is rotated and reverse respectively for pressing two operation buttons.
2. spiral compression formula earthing clamp according to claim 1, it is characterised in that also including being arranged on mobile clamping plate
Carrying current blocking device, electrically connected between the carrying current blocking device and control module.
3. spiral compression formula earthing clamp according to claim 1 and 2, it is characterised in that also including being arranged on mobile folder
Current sensor and indicator lamp on plate, electrically connect between the current sensor and indicator lamp and control module.
4. spiral compression formula earthing clamp according to claim 3, it is characterised in that be provided with the adjustment seat and led
The diameter parallel of rail, guide rail and screw rod, the side of mobile clamping plate offers draw-in groove, and mobile clamping plate is fastened on guide rail by draw-in groove
On, adjustment seat is moved relative to mobile clamping plate when motor drives screw rod to rotate.
5. spiral compression formula earthing clamp according to claim 1, it is characterised in that the insulating bar is scalable
Bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219821.5U CN206274553U (en) | 2016-11-11 | 2016-11-11 | A kind of spiral compression formula earthing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219821.5U CN206274553U (en) | 2016-11-11 | 2016-11-11 | A kind of spiral compression formula earthing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206274553U true CN206274553U (en) | 2017-06-23 |
Family
ID=59062461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621219821.5U Active CN206274553U (en) | 2016-11-11 | 2016-11-11 | A kind of spiral compression formula earthing clamp |
Country Status (1)
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| CN (1) | CN206274553U (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248680A (en) * | 2017-08-01 | 2017-10-13 | 保定市恒信达电气有限公司 | The driving structure and its earthing or grounding means of a kind of electric remote control earthing or grounding means |
| CN107611751A (en) * | 2017-07-31 | 2018-01-19 | 中国南方电网有限责任公司超高压输电公司贵阳局 | One kind ground wire suspension arrangement |
| CN107799927A (en) * | 2017-09-28 | 2018-03-13 | 广州供电局有限公司 | Locking device and locking method |
| CN107946788A (en) * | 2017-11-27 | 2018-04-20 | 广西南宁智翠科技咨询有限公司 | A kind of self-adjustable short-circuit grounding device |
| CN107966593A (en) * | 2018-01-19 | 2018-04-27 | 国家电网公司 | CVT, arrester special flange electric wire connecting junction |
| CN108832328A (en) * | 2018-07-16 | 2018-11-16 | 广州供电局有限公司 | Cable clamp structure |
| CN109066130A (en) * | 2018-09-20 | 2018-12-21 | 国网江苏省电力有限公司镇江供电分公司 | Self-adapting electric rotatable flexible grounding wire device |
| CN109149168A (en) * | 2018-10-11 | 2019-01-04 | 广东电网有限责任公司 | A kind of earthing clamp of adjustable wiring occlusion |
| CN109244784A (en) * | 2018-09-27 | 2019-01-18 | 广东电网有限责任公司 | Ground wire operating lever |
| CN109462047A (en) * | 2018-09-11 | 2019-03-12 | 国家电网有限公司 | A kind of electronic earthing clamp of wireless control |
| CN109546374A (en) * | 2018-12-03 | 2019-03-29 | 国网浙江省电力有限公司金华供电公司 | A kind of push-pull type grounding rod |
| CN109638490A (en) * | 2018-11-26 | 2019-04-16 | 国网天津市电力公司 | A kind of Anti-falling ground line |
| CN110361567A (en) * | 2019-06-28 | 2019-10-22 | 广东电网有限责任公司 | A kind of jointing clamp of test lead automatic deploying and retracting |
| CN110429431A (en) * | 2019-05-13 | 2019-11-08 | 国网浙江省电力有限公司检修分公司 | A kind of movable type is anti-error to tear earth wire pile open |
| CN110797685A (en) * | 2019-11-11 | 2020-02-14 | 贵州电网有限责任公司 | Adjustable high-voltage grounding wire operating rod |
| CN111555046A (en) * | 2020-05-13 | 2020-08-18 | 贵州电网有限责任公司 | Lead wire grounding wire hanging device of vertical power transformation equipment |
| CN111653981A (en) * | 2020-06-15 | 2020-09-11 | 刘欢 | Power grid wire clamp hot-line operation installation equipment and operation method thereof |
| CN112531368A (en) * | 2020-11-28 | 2021-03-19 | 贵州电网有限责任公司 | Novel automatically controlled earth clamp |
| CN114300874A (en) * | 2021-12-15 | 2022-04-08 | 国网安徽省电力有限公司合肥供电公司 | Multifunctional grounding rod |
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2016
- 2016-11-11 CN CN201621219821.5U patent/CN206274553U/en active Active
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611751A (en) * | 2017-07-31 | 2018-01-19 | 中国南方电网有限责任公司超高压输电公司贵阳局 | One kind ground wire suspension arrangement |
| CN107248680A (en) * | 2017-08-01 | 2017-10-13 | 保定市恒信达电气有限公司 | The driving structure and its earthing or grounding means of a kind of electric remote control earthing or grounding means |
| CN107799927A (en) * | 2017-09-28 | 2018-03-13 | 广州供电局有限公司 | Locking device and locking method |
| CN107799927B (en) * | 2017-09-28 | 2024-02-02 | 广东电网有限责任公司广州供电局 | Locking device and locking method |
| CN107946788A (en) * | 2017-11-27 | 2018-04-20 | 广西南宁智翠科技咨询有限公司 | A kind of self-adjustable short-circuit grounding device |
| CN107946788B (en) * | 2017-11-27 | 2020-07-24 | 广西南宁智翠科技咨询有限公司 | But automatically regulated's short circuit earthing device |
| CN107966593A (en) * | 2018-01-19 | 2018-04-27 | 国家电网公司 | CVT, arrester special flange electric wire connecting junction |
| CN108832328A (en) * | 2018-07-16 | 2018-11-16 | 广州供电局有限公司 | Cable clamp structure |
| CN109462047B (en) * | 2018-09-11 | 2020-03-31 | 国家电网有限公司 | Wireless control's electronic earth clamp |
| CN109462047A (en) * | 2018-09-11 | 2019-03-12 | 国家电网有限公司 | A kind of electronic earthing clamp of wireless control |
| CN109066130B (en) * | 2018-09-20 | 2023-10-13 | 国网江苏省电力有限公司镇江供电分公司 | Self-adaptive electric rotatable telescopic grounding wire device |
| CN109066130A (en) * | 2018-09-20 | 2018-12-21 | 国网江苏省电力有限公司镇江供电分公司 | Self-adapting electric rotatable flexible grounding wire device |
| CN109244784A (en) * | 2018-09-27 | 2019-01-18 | 广东电网有限责任公司 | Ground wire operating lever |
| CN109149168B (en) * | 2018-10-11 | 2023-11-07 | 广东电网有限责任公司 | Ground clamp with adjustable wiring engagement |
| CN109149168A (en) * | 2018-10-11 | 2019-01-04 | 广东电网有限责任公司 | A kind of earthing clamp of adjustable wiring occlusion |
| CN109638490A (en) * | 2018-11-26 | 2019-04-16 | 国网天津市电力公司 | A kind of Anti-falling ground line |
| CN109546374B (en) * | 2018-12-03 | 2020-02-07 | 国网浙江省电力有限公司金华供电公司 | Push-pull type earth bar |
| CN109546374A (en) * | 2018-12-03 | 2019-03-29 | 国网浙江省电力有限公司金华供电公司 | A kind of push-pull type grounding rod |
| CN110429431A (en) * | 2019-05-13 | 2019-11-08 | 国网浙江省电力有限公司检修分公司 | A kind of movable type is anti-error to tear earth wire pile open |
| CN110361567A (en) * | 2019-06-28 | 2019-10-22 | 广东电网有限责任公司 | A kind of jointing clamp of test lead automatic deploying and retracting |
| CN110797685A (en) * | 2019-11-11 | 2020-02-14 | 贵州电网有限责任公司 | Adjustable high-voltage grounding wire operating rod |
| CN111555046A (en) * | 2020-05-13 | 2020-08-18 | 贵州电网有限责任公司 | Lead wire grounding wire hanging device of vertical power transformation equipment |
| CN111653981A (en) * | 2020-06-15 | 2020-09-11 | 刘欢 | Power grid wire clamp hot-line operation installation equipment and operation method thereof |
| CN111653981B (en) * | 2020-06-15 | 2021-09-24 | 刘欢 | Power grid wire clamp hot-line operation installation equipment and operation method thereof |
| CN112531368A (en) * | 2020-11-28 | 2021-03-19 | 贵州电网有限责任公司 | Novel automatically controlled earth clamp |
| CN112531368B (en) * | 2020-11-28 | 2024-03-26 | 贵州电网有限责任公司 | Electric control grounding wire clamp |
| CN114300874A (en) * | 2021-12-15 | 2022-04-08 | 国网安徽省电力有限公司合肥供电公司 | Multifunctional grounding rod |
| CN114300874B (en) * | 2021-12-15 | 2024-04-09 | 国网安徽省电力有限公司合肥供电公司 | Multifunctional grounding rod |
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