CN108199159A - A kind of ground connection pincers - Google Patents
A kind of ground connection pincers Download PDFInfo
- Publication number
- CN108199159A CN108199159A CN201810160782.3A CN201810160782A CN108199159A CN 108199159 A CN108199159 A CN 108199159A CN 201810160782 A CN201810160782 A CN 201810160782A CN 108199159 A CN108199159 A CN 108199159A
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- CN
- China
- Prior art keywords
- ground connection
- jaw
- switch
- handle
- controller
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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Abstract
The invention discloses a kind of ground connection pincers, are related to power maintenance tool technical field；It includes the first ground connection pincers, the second ground connection pincers, earth cable and the auxiliary jaw switch unit being arranged on the first ground connection pincers, and valve for forceps opening identification module, controller and wireless communication module, the tail end and the second jaw of the auxiliary jaw switch unit are rotatablely connected, the head end and the first jaw for assisting jaw switch unit are clamped, the control terminal of the valve for forceps opening identification module and controller connects, and module is connect the controller with internet by radio communication；It is by assisting jaw switch unit, valve for forceps opening identification module, controller and wireless communication module, and realizing ground connection pincers automatically can externally send its status information, and easy to operate, time saving and energy saving, O＆M is efficient, at low cost, securely and reliably.
Description
Technical field
The present invention relates to power maintenance tool technical field more particularly to a kind of ground connection pincers.
Background technology
Transmission line of electricity longtime running is needed in wild environment, the natural environment influences such as wind-engaging, frost, rain, snow periodically to power transmission line
Road carries out safety inspection.Before being overhauled to transmission line of electricity, operating personnel need to carry out grounding to transmission line of electricity, it is ensured that
Upkeep operation safety.
Current grounding technical solution, ground connection pincers automatically cannot externally send its status information, and operate stream
Journey is more complicated, time-consuming and laborious, and O＆M efficiency is low, of high cost, and detailed process is as follows, first, live first group of operating personnel
One end of transmission line of electricity is grounded and informs the dispatcher of control room, second, dispatcher notifies second group of operation at scene
The other end of transmission line of electricity is grounded by personnel, and live second group of operating personnel informs control after the other end of transmission line of electricity is grounded
The dispatcher of room processed, third, dispatcher notify two groups of operating personnel at scene to overhaul simultaneously.
Invention content
The technical problems to be solved by the invention are to provide a kind of ground connection pincers, by assisting jaw switch unit, jaw
Switch identification module, controller and wireless communication module, realizing ground connection pincers automatically can externally send its status information, operate
Simplicity, time saving and energy saving, O＆M is efficient, at low cost, securely and reliably.
In order to solve the above technical problems, the technical solution used in the present invention is：It includes the first ground connection pincers, the second ground connection
Pincers and earth cable, the first ground connection pincers pass through earth cable and the second ground connection clipper joint；The first ground connection pincers include the
One handle, second handle, the first jaw, the second jaw and tensioning apparatus, first jaw are connect with first handle, and described
Two jaws are connect with second handle, and the first handle, which is hinged with second handle and passes through tensioning apparatus activity, to be coordinated, and is also wrapped
Include the auxiliary jaw switch unit and valve for forceps opening identification module being arranged on the first ground connection pincers, controller U1 and nothing
Line communication module, the tail end and the second jaw of the auxiliary jaw switch unit are rotatablely connected, and assist the head of jaw switch unit
End is clamped with the first jaw, and the valve for forceps opening identification module is connect with the control terminal of controller U1, and the controller U1 passes through
Wireless communication module is connect with internet.
Further technical solution is：First jaw includes the first arc snap-gauge, and second jaw includes the
Two arc snap-gauges, the first arc snap-gauge and the second arc snap-gauge are engaged by clamping with transfer wire.
Further technical solution is：First jaw further includes the first groove, and second jaw further includes
Two grooves, first groove are arranged on the connecting portion of first handle and the first arc snap-gauge, and second groove is arranged on
The connecting portion of two handles and the second arc snap-gauge；The auxiliary jaw switch unit includes bull stick and eave tile, the head of the bull stick
End is connect with the tail end of eave tile, and the tail end of the bull stick is located in the second groove and is rotatablely connected with the second jaw, the eave tile
It is clamped with the first groove.
Further technical solution is：The shape of first groove and the second groove is rectangle, the bull stick
Shape is cuboid, and the shape of the eave tile is L-type, and the bull stick is integrated with eave tile to be fixedly connected.
Further technical solution is：The valve for forceps opening identification module includes switch and resistance, and DC power supply is just
Pole is connected to the control terminal of controller U1 through switch, and the control terminal of controller U1 is connected to the earth through resistance.
Further technical solution is：The switch is inlayed mounted on the first arc snap-gauge or the second arc snap-gauge
Inside.
Further technical solution is：The valve for forceps opening identification module includes the first valve for forceps opening identification module and the
Two valve for forceps opening identification modules, the first valve for forceps opening identification module include first switch and resistance R1, the first switch
The inside mounted on the first arc snap-gauge or the second arc snap-gauge is inlayed, the anode of DC power supply is connected to control through first switch
The first control terminal of device U1 processed, the first control terminal of controller U1 are connected to the earth through resistance R1；Second valve for forceps opening is known
Other module includes second switch K1 and resistance R2, and the second switch K1 is arranged on the second ground connection pincers or side, direct current
The anode in source is connected to the second control terminal of controller U1 through second switch K1, and the second control terminal of controller U1 connects through resistance R2
It is connected to the earth.
Further technical solution is：The first switch is switch button, and the second switch K1 is touch-switch.
Further technical solution is：The first ground connection pincers further include counterweight, and the counterweight includes being arranged on first
The first counterweight on the outside of jaw and the second counterweight being arranged on the outside of the second jaw.
Further technical solution is：The first ground connection pincers further include U-shaped connector, the U-shaped connector and the
One handle and second handle are hinged, and the earth cable is connect respectively with first handle, second handle and U-shaped connector.
It is using advantageous effect caused by above-mentioned technical proposal：
First, including the auxiliary jaw switch unit being arranged on the first ground connection pincers and valve for forceps opening identification module, control
Device U1 and wireless communication module, the tail end and the second jaw of the auxiliary jaw switch unit are rotatablely connected, and assist valve for forceps opening
The head end of unit and the first jaw are clamped, and the valve for forceps opening identification module is connect with the control terminal of controller U1, the control
Module is connect device U1 with internet by radio communication.The technical solution, realizing ground connection pincers automatically can externally send its shape
State information, easy to operate, time saving and energy saving, O＆M is efficient, at low cost, securely and reliably.Wherein, auxiliary jaw switch unit setting
On the first ground connection pincers, the first ground connection pincers are stirred under the action of its own gravity with transfer wire relative motion, transfer wire
Jaw switch unit is assisted, the first ground connection pincers automatically clamp transfer wire, when cancelling ground connection, only firmly need to drag ground wire upwards
First ground connection pincers can be detached from from transfer wire, so, the operating personnel on very convenient tower are grounded operation, without excessively
On transfer wire, the tower that need to only stand above transfer wire, easy to operate, time saving and energy saving, O＆M is efficient, cost
It is low, securely and reliably；Valve for forceps opening identification module, controller U1 and wireless communication module so that ground connection pincers can be automatically to outgoing
Give its status information, can easily, accomplish information sharing in time.
The second, the first arc snap-gauge and the second arc snap-gauge, arcuate structure can preferably clamp transfer wire, conducting effect
Fruit is more preferable.
Third, the first groove are arranged on the connecting portion of first handle and the first arc snap-gauge, and the second groove is arranged on second
The connecting portion of handle and the second arc snap-gauge, auxiliary jaw switch unit include bull stick and eave tile, the head end of bull stick and eave tile
Tail end connects, and the tail end of bull stick is located in the second groove and is rotatablely connected with the second jaw, and eave tile and the first groove are clamped.The skill
Art scheme, structure is more ingenious, more secured, more reliable, and production and processing is easier, uses easier, more time saving and energy saving, the O＆M of operation
It is more efficient, cost is lower, safety and reliability.
4th, the shape of the first groove and the second groove is rectangle, and the shape of bull stick is cuboid, and the shape of eave tile is
L-type, bull stick is integrated with eave tile to be fixedly connected.The technical solution, structure is more ingenious, more secured, more reliable, and production and processing is simpler
Just, easier using operating, more time saving and energy saving, O＆M is more efficient, cost is lower, safety and reliability.
5th, valve for forceps opening identification module includes switch and resistance, and the anode of DC power supply is connected to controller through switch
The control terminal of U1, the control terminal of controller U1 are connected to the earth through resistance.The technical solution, circuit structure is more ingenious, more reliable,
Production and processing is easier, and product cost is relatively low.
6th, switch inlays the inside mounted on the first arc snap-gauge or the second arc snap-gauge, can realize first
When ground connection pincers clamp transfer wire, transfer wire automatic trigger switch, ground connection pincers are more intelligent, automatically externally send its state
Information, the link are switched without manual operation, and more time saving and energy saving, O＆M is more efficient.
7th, valve for forceps opening identification module includes the first valve for forceps opening identification module and the second valve for forceps opening identification module,
The first valve for forceps opening identification module includes first switch and resistance R1, and the first switch is inlayed mounted on the first arc card
The inside of plate or the second arc snap-gauge, the anode of DC power supply are connected to the first control terminal of controller U1 through first switch,
The first control terminal of controller U1 is connected to the earth through resistance R1；The second valve for forceps opening identification module includes second switch K1
It is arranged on the second ground connection with resistance R2, the second switch K1 and clamps upper or side, the anode of DC power supply is through second switch K1
The second control terminal of controller U1 is connected to, the second control terminal of controller U1 is connected to the earth through resistance R2.The technical solution,
The quantity of valve for forceps opening identification module is two, reports the state of each ground connection pincers, the security row and reliable rows of O＆M respectively
Higher.
8th, first switch is switch button, and advantage is that first switch is certainly after the first ground connection pincers are detached from transfer wire
Dynamic recovery is bounced, so that all parties learn that the first ground connection pincers are no longer grounded in time；Second switch K1 is touch-switch, excellent
Point is after operating personnel press second switch K1, without always according to time saving and energy saving.
9th, what counterweight included being arranged on the first counterweight on the outside of the first jaw and being arranged on the outside of the second jaw second matches
Weight, to enhance the bull stick and the impact force of transfer wire between the two on the first ground connection pincers so that transfer wire preferably pushes away
Dynamic bar rotation improves the make rate of the first ground connection pincers, and easier using operating, more time saving and energy saving, O＆M is more efficient.
Tenth, the first ground connection pincers further include U-shaped connector, and the U-shaped connector is hinged with first handle and second handle,
The earth cable is connect respectively with first handle, second handle and U-shaped connector.The technical solution, improves earth cable
With the fastness of the first ground connection clipper joint, properties of product are more stablized, are reliable during use；First handle, second handle, the first pincers
Mouth and the second jaw are freely sagging under its own gravity, and whole center line is perpendicular to the ground, is more conducive to pincers
Mouth is aligned and clamps transfer wire vertically downward, and easier using operating, more time saving and energy saving, O＆M is more efficient.
Description of the drawings
Fig. 1 is the structure chart of the first ground connection pincers in the present invention；
Fig. 2 is the structure chart that jaw switch unit is assisted in the present invention；
Fig. 3 is the structural principle block diagram of the present invention；
Fig. 4 is the circuit diagram of valve for forceps opening identification module in the present invention；
Fig. 5 is the first schematic diagram of the first ground connection pincers use state in the present invention；
Fig. 6 is the second schematic diagram of the first ground connection pincers use state in the present invention.
Wherein：1 first handle, 2 second handles, 3 first jaws, 31 first arc snap-gauges, 32 first grooves, 4 second pincers
Mouth, 41 second arc snap-gauges, 42 second grooves, 51 bull sticks, 52 eave tiles, 53 shafts, 6 transfer wires, 71 first counterweights, 72 second
Counterweight, 8U types connector, 9 earth cables, AN first switches.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, shall fall within the protection scope of the present invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented using other different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As Figure 1-Figure 4, the invention discloses a kind of ground connection pincers, including the first ground connection pincers, the second ground connection pincers and connect
Ground cable 9, the first ground connection pincers are grounded clipper joint by earth cable 9 and second.
The first ground connection pincers include first handle 1, second handle 2, the first jaw 3, the second jaw 4, hinged screw rod, bullet
Spring, bull stick 51, eave tile 52, shaft 53, the first counterweight 71, the second counterweight 72, U-shaped connector 8, controller U1, first switch AN,
Resistance R1, second switch K1, resistance R2 and wireless communication module, first jaw 3 include the first arc snap-gauge 31 and first
Groove 32, second jaw 4 include the second arc snap-gauge 41 and the second groove 42.
First jaw 3 is connect with first handle 1, and second jaw 4 is connect with second handle 2, described first-hand
Handle 1 is hingedly coordinated with second handle 2 by hinged screw rod, and the spring is wrapped on hinged screw rod, first handle 1 and second-hand
Handle 2 is coordinated by spring activity.
The shape of first groove, 32 and second groove 42 is rectangle, wherein the first groove 32 is arranged on first handle
1 and first arc snap-gauge 31 connecting portion, the second groove 42 is arranged on the connecting portion of 2 and second arc snap-gauge 41 of second handle；
The first arc snap-gauge 31 and the second arc snap-gauge 41 are engaged by clamping with transfer wire 6.
It is provided with shaft circular hole on the side of second jaw 4, the shaft circular hole is by the second jaw 4 and the second groove
42 completely through；The shape of the bull stick 51 is cuboid, is provided with bull stick circular hole in its tail end, tail end is located at the second groove 42
Interior, the shape of the eave tile 52 is L-type, is engaged by clamping with the first groove 32, the head end of the bull stick 51 and the tail of eave tile 52
End integration is fixedly connected；The shaft 53 is cylinder, is penetrated be bonded with the second jaw 4 after shaft circular hole and bull stick circular hole
It is fixed together；The bull stick 51 is wrapped in shaft 53 by bull stick circular hole and is moved with shaft 53 for shaft rotation.
First counterweight 71 is fixed on 3 outside of the first jaw, and the second counterweight 72 is fixed on 4 outside of the second jaw.
The U-shaped connector 8 hingedly coordinates with hinged screw rod, and the earth cable 9 is distinguished by using screw rod and nut
It is fixedly connected with first handle 1, second handle 2 and U-shaped connector 8.
Module is connect the controller U1 with internet by radio communication, and the first switch AN is inlayed mounted on second
The inside of arc snap-gauge 41, the anode of DC power supply are connected to the first control terminal of controller U1, controller through first switch AN
The first control terminal of U1 is connected to the earth through resistance R1；The second switch K1 is fixed on the second ground connection pincers, DC power supply
Anode is connected to the second control terminal of controller U1 through second switch K1, and the second control terminal of controller U1 is connected to through resistance R2
Greatly；The first switch AN is switch button, and the second switch K1 is touch-switch.
Wherein, the resistance value of the model stc89c52 of controller U1, resistance R1 and resistance R2 are respectively 1k, radio communication mold
Details are not described herein for the prior art for block.
Operation instruction：
When being overhauled to transmission line of electricity, two groups of operating personnel and two sets is needed to be grounded pincers, first group of operating personnel uses the
One end of transmission line of electricity is grounded by a set of ground connection pincers, and second group of operating personnel is grounded pincers by the another of transmission line of electricity using second set
End ground connection, the application method of two sets of ground connection pincers is identical, is described as follows so that one end of wherein transmission line of electricity is grounded as an example：
As shown in Figure 1, pressing first handle 1 and second handle 2 cause the first jaw 3 to be opened with the second jaw 4, bull stick 51 is rotated
Eave tile 52 is ridden over into the following of the first groove 32 so that the first jaw 3 and the second jaw 4 can also continue to keep opening without pressing
State.
As shown in figure 5, catch earth cable 9 by the first ground connection pincers to the top for transferring to transfer wire 6 with hand, suddenly to
Lower the first ground connection of release pincers.
As shown in fig. 6, transfer wire 6 touches bull stick 51, transfer wire 6 pushes bull stick 51 upward in relative movement
Rotation is penetrated after the following opposite slip of 52 and first groove 32 of eave tile in the first groove 32；Due to losing bull stick 51 and eave tile
52 support, the first jaw 3 are closed with the second jaw 4, and the first arc snap-gauge 31 and the second arc snap-gauge 41 block transfer wire 6
Firmly, simultaneous transmission conducting wire 6 squeezes triggering first switch AN and is closed, and first switch AN notification controller U1, controller U1 are by first
Ground connection cramp joint line completes information, and module is sent to internet by radio communication.
By the second ground connection cramp joint and press second switch K1, second switch K1 notification controller U1, controller U1 are by the
Completing information to two ground connection cramp joints, module is sent to internet by radio communication.
Server either receives the first ground connection cramp joint line by internet with completing information or the second ground connection cramp joint
After completing information, it can send it in time on the intelligent terminal of maintenance personal and dispatcher.
The technical solution, ground connection pincers automatically can externally send its status information, easy to operate, time saving and energy saving, O＆M effect
Rate is high, at low cost, securely and reliably.
Relative to above-described embodiment, valve for forceps opening identification module can be any one switch or sensor class device,
As long as the status information for being grounded pincers can be informed controller U1, moreover, the second valve for forceps opening identification module can be fixed
It can also be freely placed at by the second ground connection pincers on the second ground connection pincers, hold the second valve for forceps opening identification module with hand during use
.
Relative to above-described embodiment, the quantity of switch can be one, and the quantity of valve for forceps opening identification module can be one
It is a, in use, first by the second ground connection cramp joint, then the first ground connection is clamped and clamps transfer wire 6, the switch in hand is then stirred,
Ground connection pincers automatically externally send its status information.
Claims (10)
1. a kind of ground connection pincers, including the first ground connection pincers, the second ground connection pincers and earth cable（9）, first ground connection, which is clamped, to be passed through
Earth cable（9）With the second ground connection clipper joint；The first ground connection pincers include first handle（1）, second handle（2）, first pincers
Mouthful（3）, the second jaw（4）And tensioning apparatus, first jaw（3）With first handle（1）Connection, second jaw（4）
With second handle（2）Connection, the first handle（1）With second handle（2）It is hinged and passes through tensioning apparatus activity and coordinate, it is special
Sign is：Its further include be arranged on it is described first ground connection pincers on auxiliary jaw switch unit and valve for forceps opening identification module,
Controller U1 and wireless communication module, the tail end and the second jaw of the auxiliary jaw switch unit（4）Rotation connection, auxiliary forceps
The head end and the first jaw of mouth switch unit（3）Clamping, the valve for forceps opening identification module are connect with the control terminal of controller U1,
Module is connect the controller U1 with internet by radio communication.
2. a kind of ground connection pincers according to claim 1, it is characterised in that：First jaw（3）Including the first arc card
Plate（31）, second jaw（4）Including the second arc snap-gauge（41）, the first arc snap-gauge（31）With the second arc snap-gauge
（41）With transfer wire（6）It is engaged by clamping.
3. a kind of ground connection pincers according to claim 2, it is characterised in that：First jaw（3）Further include the first groove
（32）, second jaw（4）Further include the second groove（42）, first groove（32）It is arranged on first handle（1）With
One arc snap-gauge（31）Connecting portion, second groove（42）It is arranged on second handle（2）With the second arc snap-gauge（41）'s
Connecting portion；The auxiliary jaw switch unit includes bull stick（51）And eave tile（52）, the bull stick（51）Head end and eave tile
（52）Tail end connection, the bull stick（51）Tail end be located at the second groove（42）It is interior and with the second jaw（4）Rotation connection, institute
State eave tile（52）With the first groove（32）Clamping.
4. a kind of ground connection pincers according to claim 3, it is characterised in that：First groove（32）With the second groove（42）
Shape be rectangle, the bull stick（51）Shape for cuboid, the eave tile（52）Shape for L-type, the bull stick
（51）With eave tile（52）Integration is fixedly connected.
5. a kind of ground connection pincers according to claim 4, it is characterised in that：The valve for forceps opening identification module include switch and
Resistance, the anode of DC power supply are connected to the control terminal of controller U1 through switch, and the control terminal of controller U1 is connected to through resistance
Greatly.
6. a kind of ground connection pincers according to claim 5, it is characterised in that：The switch is inlayed mounted on the first arc snap-gauge
（31）Or the second arc snap-gauge（41）Inside.
7. a kind of ground connection pincers according to claim 6, it is characterised in that：The valve for forceps opening identification module includes the first pincers
Mouth switch identification module and the second valve for forceps opening identification module, the first valve for forceps opening identification module include first switch（AN）
With resistance R1, the first switch（AN）It inlays mounted on the first arc snap-gauge（31）Or the second arc snap-gauge（41）It is interior
Side, the anode of DC power supply is through first switch（AN）It is connected to the first control terminal of controller U1, the first control of controller U1
End is connected to the earth through resistance R1；The second valve for forceps opening identification module includes second switch K1 and resistance R2, and described second
Switch K1 is arranged on that the second ground connection pincers are upper or side, and the anode of DC power supply is connected to the of controller U1 through second switch K1
Two control terminals, the second control terminal of controller U1 are connected to the earth through resistance R2.
8. a kind of ground connection pincers according to claim 7, it is characterised in that：The first switch（AN）For switch button, institute
Second switch K1 is stated as touch-switch.
9. a kind of ground connection pincers according to claim 8, it is characterised in that：The first ground connection pincers further include counterweight, described
Counterweight includes being arranged on the first jaw（3）First counterweight in outside（71）Be arranged on the second jaw（4）Second counterweight in outside
（72）.
10. a kind of ground connection pincers according to any one in claim 1-9, it is characterised in that：The first ground connection pincers are also
Including U-shaped connector（8）, the U-shaped connector（8）With first handle（1）And second handle（2）It is hinged, the earth cable
（9）Respectively with first handle（1）, second handle（2）With U-shaped connector（8）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160782.3A CN108199159A (en) | 2018-02-27 | 2018-02-27 | A kind of ground connection pincers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160782.3A CN108199159A (en) | 2018-02-27 | 2018-02-27 | A kind of ground connection pincers |
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| Publication Number | Publication Date |
|---|---|
| CN108199159A true CN108199159A (en) | 2018-06-22 |
Family
ID=62593921
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160782.3A Pending CN108199159A (en) | 2018-02-27 | 2018-02-27 | A kind of ground connection pincers |
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| Country | Link |
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| CN (1) | CN108199159A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112037431A (en) * | 2020-07-31 | 2020-12-04 | 国家电网有限公司 | Grounding clamp management system and method |
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| CN102590742A (en) * | 2012-03-07 | 2012-07-18 | 山东电力集团公司枣庄供电公司 | Loop resistance measuring pliers for trolley type switch |
| CN102832564A (en) * | 2012-09-07 | 2012-12-19 | 沧州供电公司 | Pull-out device of power grounding bar |
| CN103904444A (en) * | 2014-04-03 | 2014-07-02 | 国家电网公司 | Power transmission line grounding wire horizontal installation device |
| CN104716522A (en) * | 2015-02-17 | 2015-06-17 | 国家电网公司 | Intelligent temporary grounding wire |
| CN207852971U (en) * | 2018-02-27 | 2018-09-11 | 国网河北省电力有限公司衡水供电分公司 | A kind of ground connection pincers |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112037431A (en) * | 2020-07-31 | 2020-12-04 | 国家电网有限公司 | Grounding clamp management system and method |
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