CN110429431A - A kind of movable type is anti-error to tear earth wire pile open - Google Patents
A kind of movable type is anti-error to tear earth wire pile open Download PDFInfo
- Publication number
- CN110429431A CN110429431A CN201910395276.7A CN201910395276A CN110429431A CN 110429431 A CN110429431 A CN 110429431A CN 201910395276 A CN201910395276 A CN 201910395276A CN 110429431 A CN110429431 A CN 110429431A
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- China
- Prior art keywords
- operating stick
- mounting plate
- bar
- ground wire
- error
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000227287 Elliottia pyroliflora Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
Earth wire pile is torn open the invention discloses a kind of movable type is anti-error, is related to overhaul of the equipments field.The collet that traditional ground line has at ground connection busbar can generate loosening, be easy accidentally to tear open, staff's induced electricity is caused to get an electric shock.The present invention includes ground wire lockhole, fixing seat, movable floor, foldable operation bar, fixing seat includes mounting plate and fixed plate washer, operating stick is passed down through mounting plate, operating stick lower end connects movable floor, movable floor is opposite with fixed plate washer, it is threadedly coupled between operating stick and mounting plate, when operating stick rotates, movable floor can move up and down, installation plate top surface around operating stick is equipped with the lockweight for avoiding operating stick from rotating horizontally, after the folding of operating stick, horizontal direction is limited by lockweight to be rotated, and realize mechanical latching.After ground wire locking, it can effectively avoid operating stick and rotate so that earth wire pile loosens or causes the case where artificially accidentally tearing open.
Description
Technical field
The present invention relates to overhaul of the equipments field more particularly to a kind of movable type is anti-error tears earth wire pile open.
Background technique
When carrying out upkeep operation on power equipment, it usually needs add ground line, on repair apparatus to prevent from overhauling
The electric shock of personnel's induced electricity, causes personal injury.Ground line one is clipped on repair apparatus, and in addition one is fixed on and grounded screen company
On logical ground connection busbar, the collet that traditional ground line has at ground connection busbar can generate loosening, after the tight earth wire pile of earthing clamp,
Also rotatable handgrip removes earth wire pile, is easy accidentally to tear open, staff's induced electricity is caused to get an electric shock.In addition, traditional ground stud is welded on
By equipment on ground connection angle bar, appearance rust corrosion, maintenance workload are big, and maintenance cost is high.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
There is provided that a kind of movable type is anti-error to tear earth wire pile open, to prevent ground line to be accidentally split into purpose.For this purpose, the present invention takes following technical side
Case.
A kind of movable type is anti-error to tear earth wire pile, including collet, ground wire lockhole, operating stick open, the collet include fixing seat,
Can be relative to the movable floor of fixed seat movement, the fixing seat includes be relatively fixed with movable floor plate washer and fixed gear
Plate mounting plate disposed in parallel, the movable floor are set between fixed plate washer and mounting plate, open up on the mounting plate
The connecting hole to match with operating stick, operating stick pass through connecting hole and are connected with movable floor；Mounting plate is set away from fixed gear plate face
There are the ground wire peg board vertical with mounting plate and multiple lockweights positioned at connecting hole periphery, the ground wire peg board opens up ground wire lock
Hole, the distance of ground wire lockhole to mounting plate are greater than the top of lockweight to the distance of mounting plate；The operating stick sets shaft；Ground
Line lockhole is opposite with the operating stick under upright state, and operating stick drives movable floor movement to adjust fixed plate washer and movable floor
Distance, when movable floor it is mobile in place after, operating stick folds at shaft, and folded operating stick is stuck between lockweight,
It installs after ground wire to ground wire lockhole, the folded operating stick of ground wire is parallel, avoids operating stick that rotation is straightened, and realizes that machinery closes
Lock.After ground wire penetrates lockhole, operating stick is screwed, and is then folded at shaft, ground wire and three lockweights by operating stick firmly
It is stuck in centre, rotation can not be straightened in operating stick, prevent the movement of operating stick horizontal direction, form mechanical latching, can effectively avoid
Operating stick rotates so that earth wire pile loosens or causes the case where artificially accidentally tearing open.
As further improving and supplementing to above-mentioned technical proposal, the invention also includes following additional technical features.
As optimization technique means:
It is set on the mounting plate there are three lockweight, three lockweights are located at the apex of isosceles triangle, and three lockweights surround
Connecting hole a, wherein lockweight is between connecting hole, ground wire peg board.The location layout of lockweight can effectively prevent operating stick
Folded horizontal direction rotation, it is simple and reliable for structure.
Three lockweights are circumferentially uniformly arranged around connecting hole, and the distance on lockweight top to mounting plate is h, 14 mm
≤h≤18mm；Lockweight top is spherical crown shape.In certain altitude range, can block operating stick laterally rotate and
Too high and cause waste of material, spherical crown shape top, no acute angle, touch-safe is good.
The fixation plate washer extends to form the connecting plate affixed with mounting plate, the connecting plate and peace after bending on one side
Loading board vertically connects, and junction is located at the middle part of mounting plate, and the side of mounting plate is equipped with the ground wire peg board, mounting plate it is another
Side opens up connecting hole；The connecting hole is opposite with fixed plate washer.Integral structure, structural strength is high, and location layout is reasonable, puts down
Weighing apparatus property is good.
Deep floor is equipped between the connecting plate and mounting plate.Can effective lift structure intensity, make connecting plate and peace
The connection of loading board is stronger, and reliability is higher.
Screwed axle sleeve, one end and the ground wire peg board phase of axle sleeve are worn in the ground wire lockhole of the ground wire peg board
It supports, the other end is connected after passing through ground wire lockhole with nut, and the axle sleeve and nut are copper piece.By threaded shaft set across
Ground wire peg board reconnects nut, and fixed structure is simply secured, is easy maintenance replacement, and axle sleeve and nut use copper piece, and conduction is good,
It is not easy rust corrosion.
The operating stick includes the first bar, the second bar with the rotation connection of the first bar, second bar and the first bar
Between be connected by shaft so that the second bar can opposite first bar rotate, be stuck between two close lock pin after the folding of the second bar.It is convenient
Ground realizes the folding structure of operating stick, and connection structure is simple and reliable.
The shaft is the rivet that diameter is not more than 14mm.Rivet is at low cost, and structure is simple, can effectively prevent axial shifting
It is dynamic.
The connecting hole is screw hole, and first bar is threadedly coupled with connecting hole, and the end of first bar is set
There is card slot, grafting pressing plate in card slot, the pressing plate is fixed on movable floor by screw, realizes operating stick and movable floor
Connection.Be threadedly coupled, by the rotation of operating stick, can effectively realize moving up and down for movable floor, structure is simple, pressing plate with
The connection structure of first bar and movable floor, when can effectively realize that the rotation of the first bar moves up and down, movable floor can only be made up and down
It is mobile, without rotating.
The operating side of second bar is equipped with the taper knob of insulation, and the length of the second bar is L2, wherein and 180 mm≤L2≤
250mm；The length of first bar is L1, wherein 50 mm≤L1≤60mm；Mounting plate to the distance between fixed plate washer is D, 50
mm≤D≤60mm；The length of fixed plate washer is L3,40 mm≤L3≤60mm；The length of mounting plate be L4,90 mm≤L3≤
100mm.By insulated handle set and effective second pole length, operated convenient for personnel, good operation safety.
The utility model has the advantages that
1, the mechanical latching for having effectively achieved operating stick avoids operating stick from rotating so that earth wire pile loosens or causes artificial
Safety is effectively promoted in the case where accidentally tearing open, avoids the electric shock of staff's induced electricity.
2, by setting lockweight, the folded horizontal direction rotation of operating stick can be effectively prevent.
3, the integral structure of mounting plate, connecting plate and fixed plate washer, and by adding deep floor, effectively enhance entirety
Structural strength.
4, after passing through ground wire peg board by threaded copper bush, copper nut is reconnected, connection structure is secured, replacement maintenance
It is convenient, and conduction is good, is not easy rust corrosion.
5, the first bar is threadedly coupled with connecting hole can effectively realize the axial movement done when operating stick rotation, pressing plate and first
The connection structure of bar and movable floor, when can effectively realize that the rotation of the first bar moves up and down, movable floor can only move up and down,
Without rotating.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the present invention.
Fig. 2 is A-A schematic cross-sectional view in Fig. 1 of the present invention.
Fig. 3 is operation of the present invention bar folded state structural schematic diagram.
Fig. 4 is operation of the present invention rod structure schematic diagram.
Fig. 5 is the fix seat of that invention structural schematic diagram.
In figure: 1- fixing seat；2- operating stick；3- movable floor；4- ground wire peg board；5- lockweight；6- axle sleeve；7- nut；
8- pressing plate；101- fixes plate washer；102- connecting plate；103- deep floor；104- mounting plate；105- connecting hole；The first bar of 201-；
The second bar of 202-；203- taper knob；204- shaft；20101- card slot.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
As shown in Figs. 1-5, a kind of movable type is anti-error tears earth wire pile open, including collet, ground wire lockhole, operating stick 2, collet include
Fixing seat 1, movable floor 3 that can be mobile relative to fixed seat 1, fixing seat 1 include be relatively fixed with movable floor 3 plate washer 101,
With the fixed mounting plate 104 disposed in parallel of plate washer 101, movable floor 3 is set between fixed plate washer 101 and mounting plate 104, installation
The connecting hole 105 to match with operating stick 2 is opened up on plate 104, operating stick 2 passes through connecting hole 105 and is connected with movable floor 3；Installation
Plate 104 is equipped with the ground wire peg board 4 vertical with mounting plate 104 away from fixed 101 face of plate washer and multiple is located at 105 periphery of connecting hole
Lockweight 5, ground wire peg board 4 opens up ground wire lockhole, and the distance of ground wire lockhole to mounting plate 104 is greater than the top of lockweight 5 extremely
The distance of mounting plate 104；Operating stick 2 sets shaft 204；Operating stick 2 under ground wire lockhole and upright state is opposite, 2 band of operating stick
The dynamic movement of movable floor 3 is to adjust fixed plate washer 101 at a distance from movable floor 3, after movable floor 3 moves in place, operation
Bar 2 folds at shaft 204, and folded operating stick 2 is stuck between lockweight 5, installs after ground wire to ground wire lockhole, ground wire
Folded operating stick 2 is parallel, avoids operating stick 2 that rotation is straightened, realizes mechanical latching.
The folded horizontal direction of operating stick 2 rotates in order to prevent, sets that there are three lockweight 5, three lockweights on mounting plate 104
5 be located at isosceles triangle apex, three lockweights 5 surround connecting hole 105, wherein a lockweight 5 be located at connecting hole 105,
Between line peg board 4.The location layout of lockweight 5 can effectively prevent the folded horizontal direction of operating stick 2 to rotate and loosen,
It is simple and reliable for structure.
In order to promote touch-safe, three lockweights 5 are circumferentially uniformly arranged around connecting hole 105, the top of lockweight 5 to installation
The distance of plate 104 is 15mm；The top of lockweight 5 is spherical crown shape.In certain altitude range, 2 side rotary of operating stick can be blocked
Turn, and be unlikely to Tai Gao and cause waste of material, spherical crown shape top, no acute angle, touch-safe is good.
For effective lift structure intensity, fixed plate washer 101 extends to form the company affixed with mounting plate 104 after bending on one side
Fishplate bar 102, connecting plate 102 is vertical with mounting plate 104 to be connect, and junction is located at the middle part of mounting plate 104, and the one of mounting plate 104
Side is equipped with ground wire peg board 4, and the other side of mounting plate 104 opens up connecting hole 105；Connecting hole 105 and fixed plate washer 101 are opposite.One
Body structure, structural strength is high, and location layout is reasonable, and balance is good.
For preferably lift structure intensity, deep floor 103 is equipped between connecting plate 102 and mounting plate 104.It can be effective
Lift structure intensity keeps connecting plate 102 and the connection of mounting plate 104 stronger, and reliability is higher.
For the ease of maintenance, screwed axle sleeve 6, one end and ground of axle sleeve 6 are worn in the ground wire lockhole of ground wire peg board 4
Line peg board 4 offsets, and the other end is connected after passing through ground wire lockhole with nut 7, and axle sleeve 6 and nut 7 are copper piece.Pass through threaded shaft
Set 6 passes through ground wire peg board 4 and reconnects nut 7, and fixed structure is simply secured, is easy maintenance replacement, and axle sleeve 6 and nut 7 use copper
Part, conduction is good, is not easy rust corrosion.
In order to realize the folding structure of operating stick 2, operating stick 2 includes that the first bar 201 and the first bar 201 are rotatablely connected
The second bar 202, be connected between the second bar 202 and the first bar 201 by shaft 204, so that the second bar 202 can be with respect to the first bar
201 rotations, the second bar 202 are stuck between two close lock pin 5 after folding.The folding structure of operating stick 2 has been conveniently realized, has been connected
It is simple and reliable for structure.
In order to reduce cost, shaft 204 is the rivet that diameter is not more than 14mm.Rivet is at low cost, and structure is simple, can be effective
It prevents from moving axially.
In order to realize the operation that moves up and down of movable floor 3, connecting hole 105 is screw hole, the first bar 201 and connecting hole 105
It is threadedly coupled, the end of the first bar 201 is equipped with card slot 20101, and grafting pressing plate 8 in card slot 20101, it is affixed that pressing plate 8 passes through screw
On movable floor 3, the connection of operating stick 2 and movable floor 3 is realized.It is threadedly coupled, it, can be effective by the rotation of operating stick 2
Realize moving up and down for movable floor 3, structure is simple, the connection structure of pressing plate 8 and the first bar 201 and movable floor 3, can be effective
When realizing that the rotation of the first bar 201 moves up and down, movable floor 3 can only move up and down, without rotating.
For the ease of personnel's operation, the operating side of the second bar 202 is equipped with the taper knob 203 of insulation, the length of the second bar 202
For 200mm；The length of first bar 201 is 50mm；Mounting plate 104 is 60mm to the distance between plate washer 101 is fixed；Fixed plate washer
101 length is 60mm；The length of mounting plate 104 is 100mm.It is long by insulated handle set 203 and effective second bar 202
Degree operates, good operation safety convenient for personnel.
After ground wire penetrates lockhole, operating stick 2 is screwed, and is then folded at shaft 204, and ground wire and three lockweights 5 will
Operating stick 2 is firmly stuck in centre, and rotation can not be straightened in operating stick 2, prevents the movement of 2 horizontal direction of operating stick, forms machinery and closes
Lock can effectively avoid operating stick 2 and rotate so that earth wire pile loosens or causes the case where artificially accidentally tearing open.
A kind of anti-error earth wire pile of tearing open of movable type shown in attached drawing 1-5 is specific embodiments of the present invention, has embodied this
Invention substantive distinguishing features and progress can carry out shape, structure to it under the inspiration of the present invention using needs according to actual
Etc. equivalent modifications, equal column in the protection scope of this programme.
Claims (10)
1. a kind of movable type is anti-error to tear earth wire pile, including collet, ground wire lockhole, operating stick (2) open, it is characterised in that: the folder
Head includes fixing seat (1), movable floor (3) that can be mobile relative to fixed seat (1), and the fixing seat (1) includes and dump bottom
Plate (3) be relatively fixed plate washer (101), with fixed plate washer (101) mounting plate disposed in parallel (104), the movable floor
(3) it is set between fixed plate washer (101) and mounting plate (104), opens up on the mounting plate (104) and match with operating stick (2)
Connecting hole (105), operating stick (2) pass through connecting hole (105) be connected with movable floor (3)；Deviating from for mounting plate (104) is fixed
Plate washer (101) face is equipped with the ground wire peg board (4) and multiple locking positioned at connecting hole (105) periphery vertical with mounting plate (104)
It sells (5), the ground wire peg board (4) opens up ground wire lockhole, and the distance of ground wire lockhole to mounting plate (104) is greater than lockweight (5)
Top to mounting plate (104) distance；The operating stick (2) sets shaft (204)；Behaviour under ground wire lockhole and upright state
Make bar (2) relatively, operating stick (2) drive movable floor (3) movement with adjust fixed plate washer (101) and movable floor (3) away from
From after movable floor (3) are moved in place, operating stick (2) folds at shaft (204), and folded operating stick (2), which is stuck in, closes
It between lock pin (5), installs after ground wire to ground wire lockhole, the folded operating stick of ground wire (2) in parallel, avoids operating stick (2) from drawing
Direct rotary turns, and realizes mechanical latching.
2. a kind of movable type according to claim 1 is anti-error to tear earth wire pile open, it is characterised in that: the mounting plate (104)
On set there are three lockweight (5), three lockweights (5) are located at the apex of isosceles triangle, three lockweights (5) encirclement connecting hole
(105), wherein a lockweight (5) is located between connecting hole (105), ground wire peg board (4).
3. a kind of movable type according to claim 2 is anti-error to tear earth wire pile open, it is characterised in that: three lockweights (5)
It is circumferentially uniformly arranged around connecting hole (105), it is h, 14 mm≤h≤18mm that lockweight (5), which is pushed up to the distance of mounting plate (104),；
Lockweight (5) top is spherical crown shape.
4. a kind of movable type according to claim 3 is anti-error to tear earth wire pile open, it is characterised in that: the fixation plate washer
(101) it is extended to form after bending on one side and mounting plate (104) affixed connecting plate (102), the connecting plate (102) and installation
Plate (104) vertically connects, and junction is located at the middle part of mounting plate (104), and the side of mounting plate (104) is equipped with the earth wire pile
Plate (4), the other side of mounting plate (104) open up connecting hole (105)；The connecting hole (105) and fixed plate washer (101) phase
It is right.
5. a kind of movable type according to claim 4 is anti-error to tear earth wire pile open, it is characterised in that: the connecting plate (102)
Deep floor (103) are equipped between mounting plate (104).
6. a kind of movable type according to claim 5 is anti-error to tear earth wire pile open, it is characterised in that: the ground wire peg board (4)
Ground wire lockhole in wear screwed axle sleeve (6), one end and the ground wire peg board (4) of axle sleeve (6) offset, the other end pass through ground
It is connected after line lockhole with nut (7), the axle sleeve (6) and nut (7) are copper piece.
7. a kind of movable type according to claim 6 is anti-error to tear earth wire pile open, it is characterised in that: operating stick (2) packet
Include the first bar (201), the second bar (202) with the first bar (201) rotation connection, second bar (202) and the first bar
(201) it is connected between by shaft (204), so that the second bar (202) can be rotated relative to the first bar (201), the second bar (202) folding
Poststack is stuck between two close lock pin (5).
8. a kind of movable type according to claim 7 is anti-error to tear earth wire pile open, it is characterised in that: the shaft (204) is
Diameter is not more than the rivet of 14mm.
9. a kind of movable type according to claim 8 is anti-error to tear earth wire pile open, it is characterised in that: the connecting hole (105)
For screw hole, first bar (201) is threadedly coupled with connecting hole (105), and the end of first bar (201) is equipped with card slot
(20101), grafting pressing plate (8) in card slot (20101), the pressing plate (8) are fixed on movable floor (3) by screw, real
The connection of existing operating stick (2) and movable floor (3).
10. a kind of movable type according to claim 9 is anti-error to tear earth wire pile open, it is characterised in that: the operation of the second bar (202)
End is equipped with the taper knob (203) of insulation, and the length of the second bar (202) is L2, wherein 180 mm≤L2≤250mm；First bar
(201) length is L1, wherein 50 mm≤L1≤60mm；Mounting plate (104) is D to the distance between plate washer (101) are fixed,
50 mm≤D≤60mm；The length of fixed plate washer (101) is L3,40 mm≤L3≤60mm；The length of mounting plate (104) is
L4,90 mm≤L3≤100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395276.7A CN110429431B (en) | 2019-05-13 | Portable mistake of preventing tearing open ground wire stake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395276.7A CN110429431B (en) | 2019-05-13 | Portable mistake of preventing tearing open ground wire stake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110429431A true CN110429431A (en) | 2019-11-08 |
| CN110429431B CN110429431B (en) | 2024-07-02 |
Family
ID=
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911859A (en) * | 2019-12-10 | 2020-03-24 | 珠海优特电力科技股份有限公司 | Ground wire pile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184987Y (en) * | 1994-02-08 | 1994-12-07 | 无锡供电局 | Portable earth wire ground device |
| JP2010159569A (en) * | 2009-01-07 | 2010-07-22 | Mitani Sekisan Co Ltd | Drill head for pile hole |
| CN104037580A (en) * | 2013-03-06 | 2014-09-10 | 珠海优特电力科技股份有限公司 | Misoperation-preventing intelligent ground wire lock, misoperation-preventing control system and control method |
| CN205960225U (en) * | 2016-08-08 | 2017-02-15 | 国网江苏省电力公司泰州供电公司 | Prevent changeing ground wire stake |
| CN206274553U (en) * | 2016-11-11 | 2017-06-23 | 国网江苏省电力公司南京供电公司 | A kind of spiral compression formula earthing clamp |
| CN109149167A (en) * | 2018-08-31 | 2019-01-04 | 国网北京市电力公司 | Ground wire fastening means |
| CN210007024U (en) * | 2019-05-13 | 2020-01-31 | 国网浙江省电力有限公司检修分公司 | movable type anti-error-dismantling ground wire pile |
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184987Y (en) * | 1994-02-08 | 1994-12-07 | 无锡供电局 | Portable earth wire ground device |
| JP2010159569A (en) * | 2009-01-07 | 2010-07-22 | Mitani Sekisan Co Ltd | Drill head for pile hole |
| CN104037580A (en) * | 2013-03-06 | 2014-09-10 | 珠海优特电力科技股份有限公司 | Misoperation-preventing intelligent ground wire lock, misoperation-preventing control system and control method |
| CN205960225U (en) * | 2016-08-08 | 2017-02-15 | 国网江苏省电力公司泰州供电公司 | Prevent changeing ground wire stake |
| CN206274553U (en) * | 2016-11-11 | 2017-06-23 | 国网江苏省电力公司南京供电公司 | A kind of spiral compression formula earthing clamp |
| CN109149167A (en) * | 2018-08-31 | 2019-01-04 | 国网北京市电力公司 | Ground wire fastening means |
| CN210007024U (en) * | 2019-05-13 | 2020-01-31 | 国网浙江省电力有限公司检修分公司 | movable type anti-error-dismantling ground wire pile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911859A (en) * | 2019-12-10 | 2020-03-24 | 珠海优特电力科技股份有限公司 | Ground wire pile |
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