CN107404086A - A kind of electronic tether device - Google Patents
A kind of electronic tether device Download PDFInfo
- Publication number
- CN107404086A CN107404086A CN201710736909.7A CN201710736909A CN107404086A CN 107404086 A CN107404086 A CN 107404086A CN 201710736909 A CN201710736909 A CN 201710736909A CN 107404086 A CN107404086 A CN 107404086A
- Authority
- CN
- China
- Prior art keywords
- pivoted arm
- clasp
- drive device
- direction rope
- electronic tether
- 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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Classifications
-
- 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
Abstract
The present invention relates to power line maintenance apparatus field, and more particularly, to a kind of electronic tether device, including the first pivoted arm, the second pivoted arm, tumbler shaft, direction rope clamp are held, clasp, direction rope, power supply, drive device；Described power supply is connected with drive device；First pivoted arm, the second pivoted arm difference pivoted arm axis connection, drive device drive the first pivoted arm, the second pivoted arm to make opposite rotate around tumbler shaft；The first described pivoted arm end is held provided with direction rope clamp, and the second pivoted arm end is provided with clasp, and one end is restricted as hardening ran in direction, and direction rope clamp holds clamping hardening ran, and the rope other end is tied up on clasp.The present invention, which substitutes operating personnel and completes tree bamboo, to remove obstacles work, reduces operating risk, simple to operation, improves operating efficiency, saves labour.
Description
Technical field
The present invention relates to power line maintenance apparatus field, more particularly, to a kind of electronic tether device.
Background technology
Ultra-high-tension power transmission line corridor is more in field high mountain forest area, wherein 110kV and following transmission line wire
Distance to the ground is relatively low, and too fast can be run to circuit of the tree bamboo growth at circuit both sides and line bottom brings potential safety hazard.Electric power O＆M portion
Door will carry out the work of removing obstacles such as substantial amounts of tree trimming and felling every year, in order to ensure to be controlled in tree trimming and felling work
Trees（Branch）Lodging direction, must be in the trees for being trimmed to about and cutting down（Branch）Front end colligation direction rope.Particularly trim tall and big
In trees operation, because colligation point is higher, ladder limited height, lashing location can only be reached by the climbing of operating personnel.Make
The trees of electric transmission line channel remove obstacles that certain risk, efficiency to be present low for work.Because colligation point is higher, ladder during removing obstacles
Limited height, it can only be climbed by operating personnel and reach lashing location, and be trimmed to about the front end side tying point of branch in most cases
The weight of human body can not be born, operating personnel is not fixed easily body, it is also possible to by the upper snake of tree, the possibility of honeybee attack.Operation wind
Danger is high.Artificial tether progress trees are removed obstacles, and operating efficiency is low, speed is slow, pays more labour, it is impossible to safely and efficiently eliminate
Transmission line safety hidden danger point.
The content of the invention
The present invention is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of electronic tether device, substitutes and makees
Industry personnel complete tree bamboo and removed obstacles work, reduce operating risk, simple to operation, improve operating efficiency, save labour.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of electronic tether device, including first turn
Arm, the second pivoted arm, tumbler shaft, direction rope clamp are held, clasp, direction rope, power supply, drive device；
Described power supply is connected with drive device；First pivoted arm, the second pivoted arm difference pivoted arm axis connection, drive device driving first
Pivoted arm, the second pivoted arm make opposite rotate around tumbler shaft；The first described pivoted arm end is held provided with direction rope clamp, the second pivoted arm end
Provided with clasp, one end is restricted as hardening ran in direction, and direction rope clamp holds clamping hardening ran, and the rope other end is tied up on clasp.It is logical
Over-driving device drives pivoted arm, two pivoted arms is gone to aperture minimum position, and hardening ran top is opened clasp and entered in clasp, the side of tightening up
To tail of rope end, now direction, which is restricted, overcomes the chucking power of spring to depart from clamp springs, and clasp also departs from clasp support, tenses direction
Rope, withdraws electronic tether device, and completion is the work of direction rope.
Further, a kind of electronic tether device also includes casing, circuit control panel, power supply, drive device, circuit control panel
It is arranged in casing, control board is connected with power supply, drive device, and casing can be power supply, drive device, circuit control panel
Play protection support, circuit control panel is used for the running for controlling drive device.
Further, described drive device includes motor, drive screw, transmission nut sleeve, first connecting rod, the second company
Bar, described motor are connected with drive screw by shaft coupling, and drive screw is connected with bush whorl, and first connecting rod, second connect
One end of bar respectively with the hinge connection of sleeve one end, first connecting rod, second connecting rod the other end respectively with the first pivoted arm, second turn
Arm hinge connection；Motor shaft, which rotates, drives drive screw to rotate, and realizes screw-driven with the nut of transmission nut sleeve, does it
Linear motion, connecting rod hinged with transmission nut sleeve and the pivoted arm being connected with connecting rod link rotate around tumbler shaft.When
Motor forward drive drive screw, when the sleeve is travelled forward, the first pivoted arm and the second pivoted arm are made move toward one another simultaneously and inwardly turned
It is dynamic, clasp and direction is restricted and is touched, direction rope hardening ran is tipped in clasp；When motor reverse drive drive screw, first turn
Arm and the second pivoted arm are turned out as move toward one another simultaneously, and clasp and direction rope overcome the effect of Spring pinch force to deviate from.
Further, described casing is additionally provided with motor cabinet, and motor cabinet is provided with mounting hole, and motor is fixed by mounting hole
On motor cabinet.
Further, described mounting hole is designed to long kidney-shaped hole vertical each other, available for adjustment motor drive position,
Be advantageous to change the position of the motor under different operating demand.
Further, described drive device also includes stroke dog and limit switch, and described stroke dog is arranged on
Sleeve ends, limit switch controlled motor, drive device driving two pivoted arms to aperture minimum position when, stroke dog with it is spacing
Switch touching, the corner of pivoted arm is controlled using travel limit, meet that action bars realizes the requirement of direction rope tether.
Further, a kind of electronic tether its also include action bars, action bars is provided with control button, action bars and casing
It is connected to control drive system, action bars is insulating bar, and setting up action bars can prevent user from getting an electric shock, when trees are from operation
Person farther out when, can use action bars is convenient to work.
Further, described clasp is square loop, and ring is provided with spring active open, when hardening ran enters clasp
After interior, opening can be closed by spring automatic reset and is open.
Further, a kind of electronic tether device also includes clasp and supported, and the support of described clasp includes the second mounting seat, the
Two fixed seats, second spring piece, the second fixed seat are arranged in the second mounting seat, and the second mounting seat, which is connected through a screw thread, to be arranged on
Second pivoted arm end, second spring piece are symmetricly set on the end of the second fixed seat four, second spring piece by elastic force by clasp clamping,
Second spring piece concaves with clasp active position, can select the moderate material of chucking power with stronger fixed clasp, convenient
The disengaging of clasp.
Further, described direction rope clamp is held solid including the first mounting seat, the first fixed seat, the first spring leaf, first
Reservation is arranged in the first mounting seat, and second spring piece is axisymmetricly set to be passed through with the first fixed seat both ends, the first mounting seat
Threaded connection is arranged on the first pivoted arm end, and the hardening ran of direction rope is clipped in the first spring leaf, the first spring leaf selection folder
The moderate material of holding force, facilitate the smoothly disengaging of direction rope.
Further, Di Nima ropes are selected to be restricted as direction, metal clasp is fastened in direction one end of restricting, apart from clasp
Kalamein piece at 350mm, forms 40mm hardening ran, in clasp support clasp being placed on pivoted arm during work, hardening
In the reed that the direction rope clamp that ran is placed on another pivoted arm is held.350mm ropes between clasp and hardening ran are in free shape
State.
Compared with prior art, beneficial effect is：
The work 1. the alternative operating personnel's climbing completion tree bamboo of the device is removed obstacles, reduces operating risk；
2. it is simple to operation, improve operating efficiency；
3. comparing and prior art, the present invention not needing operating personnel's climbing trees, labour is saved；
4. can be according to actual conditions regulation motor position, strong applicability.
Brief description of the drawings
Fig. 1 is overall structure top view of the present invention；
Fig. 2 is overall structure Fig. 1 A-A of the present invention to sectional view；
Fig. 3 is partial enlarged drawing at overall structure Fig. 2 B of the present invention；
Fig. 4 is the clasp support front view in overall structure of the present invention；
Fig. 5 is the clasp support left view in overall structure of the present invention；
Fig. 6 is the clasp support top view in overall structure of the present invention；
Fig. 7 is that the direction rope clamp in overall structure of the present invention holds front view；
Fig. 8 is that the direction rope clamp in overall structure of the present invention holds top view.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；It is attached in order to more preferably illustrate the present embodiment
Scheme some parts to have omission, zoom in or out, do not represent the size of actual product；To those skilled in the art,
Some known features and its explanation may be omitted and will be understood by accompanying drawing.Being given for example only property of position relationship described in accompanying drawing
Explanation, it is impossible to be interpreted as the limitation to this patent.
As shown in Figure 1, 2, a kind of electronic tether device, including the first pivoted arm 4, the second pivoted arm 9, tumbler shaft 16, the folder of direction rope 6
Hold 5, clasp 7, direction rope 6, power supply, drive device；
Described power supply is connected with drive device；First pivoted arm 4, the second pivoted arm 9 are distinguished tumbler shaft 16 and connected, drive device driving
First pivoted arm 4, the second pivoted arm 9 rotate in opposite directions around tumbler shaft 16；5, is held provided with direction rope clamp in the described end of the first pivoted arm 4
The end of two pivoted arm 9 is provided with clasp 7, and 6 one end are restricted as hardening ran in direction, and direction rope clamp holds 5 clampings hardening ran, the rope other end
Tie up on clasp 7.Pivoted arm is driven by drive device, two pivoted arms is gone to aperture minimum position, hardening ran top is opened clasp 7 and entered
Enter in clasp 7, tighten up direction 6 tail ends of rope, now direction rope 6 overcomes the power off-direction rope clamp of spring to hold 5, and clasp 7 also departs from
Clasp support 8, direction rope 6 is tensed, withdraw electronic tether device, completion is the work of direction rope 6.
Further, a kind of electronic tether device also includes casing 11, circuit control panel, power supply, drive device, circuit control
Plate is arranged in casing 11, and control board is connected with power supply, drive device, and casing 11 can be power supply, drive device, circuit
Control panel plays protection support, and circuit control panel is used for the running for controlling drive device.
Further, described drive device include motor 12, drive screw 17, transmission nut sleeve 2, first connecting rod 3,
Second connecting rod 10, described motor 12 are connected with drive screw 17 by shaft coupling, and drive screw 17 is threadedly coupled with sleeve 2,
First connecting rod 3, second connecting rod 10 one end respectively with one end hinge connection of sleeve 2, first connecting rod 3, second connecting rod 10 it is another
End respectively with the first pivoted arm 4, the hinge connection of the second pivoted arm 9；The axle of motor 12, which rotates, drives drive screw 17 to rotate, with transmission nut
The nut of sleeve 2 realizes screw-driven, it is moved along a straight line, with 2 hinged connecting rod of transmission nut sleeve and and connecting rod
Hinged pivoted arm rotates around tumbler shaft 16.When the forward drive drive screw 17 of motor 12, when the sleeve 2 is travelled forward,
First pivoted arm 4 and the second pivoted arm 9 are made move toward one another simultaneously and inwardly rotated, and make clasp 7 and the touching of direction rope 6, the hardening rope of direction rope 6
Section is tipped in clasp 7；When the reverse drive drive screw 17 of motor 12, the first pivoted arm 4 and the second pivoted arm 9 make simultaneously move toward one another to
Outer rotation, clasp 7 and direction rope 6 overcome the effect of Spring pinch force to deviate from.
Further, described casing 11 is additionally provided with motor cabinet 13, and motor cabinet 13 is provided with mounting hole, and motor 12 passes through peace
Dress hole is fixed on motor cabinet 13.
Further, described mounting hole is designed to long kidney-shaped hole vertical each other, available for the adjustment transmission position of motor 12
Put, be advantageous to change the position of the motor 12 under different operating demand.
Further, it is described as shown in figure 3, described drive device also includes stroke dog 15 and limit switch 14
Stroke dog 15 is arranged on the end of sleeve 2, the controlled motor 12 of limit switch 14, and drive device drives two pivoted arms minimum to aperture
During position, stroke dog 15 is touched with limit switch 14, and the corner of pivoted arm is controlled using travel limit, meets that action bars 1 is real
The requirement of 6 tethers of existing direction rope.
Further, a kind of electronic tether its also include action bars 1, action bars 1 is provided with control button, action bars 1 with
Casing 11 is connected to control drive system, and action bars 1 is insulating bar, and setting up action bars 1 can prevent user from getting an electric shock, and work as tree
It is wooden from operator farther out when, can use action bars 1 is convenient to work.
Further, described clasp 7 is square loop, and ring is provided with spring active open, when hardening ran enters button
After in ring 7, opening can be closed by spring automatic reset and is open.
Further, as shown in Figure 4,5, 6, a kind of electronic tether device also includes clasp support 8, described clasp support 8
Including the second mounting seat 83, the second fixed seat 82, second spring piece 81, the second fixed seat 82 is arranged in the second mounting seat 83,
Second mounting seat 83 is connected through a screw thread is symmetricly set on the second fixed seat installed in the end of the second pivoted arm 9, second spring piece 81
82 4 ends, second spring piece 81 are concaved the clamping of clasp 7, second spring piece 81 with the active position of clasp 7 by elastic force, can be with
Stronger fixed clasp 7, direction rope clamp hold the moderate material of 5 selection power, facilitate the disengaging of clasp 7.
Further, as described in Fig. 7,8, described direction rope 6 clamping 5 include the first mounting seat 53, the first fixed seat 52,
First spring leaf 51, the first fixed seat 52 are arranged in the first mounting seat 53, and second spring piece 81 is axisymmetricly set and first
The both ends of fixed seat 52, the first mounting seat 53 are connected through a screw thread installed in the end of the first pivoted arm 4, the hardening ran folder of direction rope 6
In the first spring leaf 51, the choice direction rope clamp of the first spring leaf 51 holds the moderate material of 5 power, facilitates the smoothly disengaging of direction rope 6.
Further, selecting Di Nima ropes, metal clasp 7 is fastened in direction 6 one end of rope, apart from clasp 7 as direction rope 6
Kalamein piece at 350mm, forms 40mm hardening ran, the clasp 7 that clasp 7 is placed on pivoted arm supported during work in, firmly
Change the direction rope clamp that ran is placed on another pivoted arm to hold in 5 reed.350mm ropes between clasp 7 and hardening ran are in certainly
By state.
For action bars 1 when on branch being direction rope 6, two pivoted arms are in aperture maximum position, stroke link stopper and the right side in figure
Hold travel switch touching, i.e. initial position.Action bars 1, which is moved, makes branch enter in the space of two pivoted arms, and power-on opens
Dynamic motor 12 is rotated, and two pivoted arms are simultaneously opposite to be rotated, and the movable button of clasp 7 on another pivoted arm is opened on the hardening ran top on a pivoted arm
Into in clasp 7, two pivoted arms are in aperture minimum position, and stroke link stopper is touched with left end travel switch in figure, and motor 12 is certainly
Dynamic to stop operating, operator pulls and tightens up direction 6 tail ends of rope, and now direction rope 6 overcomes the power off-direction rope of clamping 5 of spring
The spring of clamping 5, clasp 7 also depart from clasp support 7, tense direction rope 6, recovery operation bar 1, it is direction rope on branch to complete
6 work.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of electronic tether device, it is characterised in that including the first pivoted arm（4）, the second pivoted arm（9）, tumbler shaft（16）, direction rope
Clamping（5）, clasp（7）, direction rope（6）, power supply, drive device；
Described power supply is connected with drive device；First pivoted arm（4）, the second pivoted arm（9）Tumbler shaft respectively（16）Connection, driving dress
Put the first pivoted arm of driving（4）, the second pivoted arm（9）Around tumbler shaft（16）Make opposite rotate；The first described pivoted arm（4）End is provided with
Direction rope clamp is held（5）, the second pivoted arm（9）End is provided with clasp（7）, direction rope（6）One end is hardening ran, and direction rope clamp is held
（5）Hardening ran is clamped, the rope other end ties up to clasp（7）On.
2. a kind of electronic tether device according to claim 1, it is characterised in that also including casing（11）, circuit control panel,
Power supply, drive device, circuit control panel are arranged on casing（11）Interior, control board is connected with power supply, drive device.
3. a kind of electronic tether device according to claim 2, it is characterised in that described drive device includes motor
（12）, drive screw（17）, transmission nut sleeve（2）, first connecting rod（3）, second connecting rod（10）, described motor（12）With biography
Dynamic screw rod（17）Connected by shaft coupling, drive screw（17）With transmission nut sleeve（2）Threaded connection, first connecting rod（3）,
Two connecting rods（10）One end respectively with sleeve（2）One end hinge connection, first connecting rod（3）, second connecting rod（10）The other end point
Not with the first pivoted arm（4）, the second pivoted arm（9）Hinge connection.
A kind of 4. electronic tether device according to claim 3, it is characterised in that described casing（11）It is additionally provided with motor cabinet
（13）, motor（12）Seat is provided with mounting hole, motor（12）Motor cabinet is fixed on by mounting hole（13）On.
5. a kind of electronic tether device according to claim 4, it is characterised in that described mounting hole is designed to vertical each other
Long kidney-shaped hole.
6. a kind of electronic tether device according to claim 3, it is characterised in that described drive device also includes stroke and kept off
Block（15）And limit switch（14）, described stroke dog（15）It is arranged on sleeve（2）End, limit switch（14）Controlled motor
（12）, when drive device drives two pivoted arms to aperture minimum position, stroke dog（15）With limit switch（14）Touching.
7. a kind of electronic tether device according to claim 1, it is characterised in that also including action bars（1）, action bars（1）
Control button is provided with to be used to control drive device, action bars（1）With casing（11）Connection.
A kind of 8. electronic tether device according to claim 1, it is characterised in that described clasp（7）For square loop, ring
It is provided with spring active open.
9. a kind of electronic tether device according to claim 1, it is characterised in that also supported including clasp（8）, described button
Ring supports（8）Including the second mounting seat（83）, the second fixed seat（82）, second spring piece（81）, the second fixed seat（82）Set
In the second mounting seat（83）On, the second mounting seat（83）It is connected through a screw thread and is arranged on the second pivoted arm（9）End, second spring piece
（81）It is symmetricly set on the second fixed seat（82）Four ends, second spring piece（81）By elastic force by clasp（7）Clamping.
10. a kind of electronic tether device according to claim any one of 1-9, it is characterised in that described direction rope clamp is held
（5）Including the first mounting seat（53）, the first fixed seat（52）, the first spring leaf（51）, the first fixed seat（52）It is arranged on first
Mounting seat（53）On, the first spring leaf（51）Axisymmetricly set and the first fixed seat（52）Both ends, the first mounting seat（53）It is logical
Cross threaded connection and be arranged on the first pivoted arm（4）End, direction rope（6）Hardening ran be clipped in the first spring leaf（51）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736909.7A CN107404086B (en) | 2017-08-24 | 2017-08-24 | Electric rope tying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736909.7A CN107404086B (en) | 2017-08-24 | 2017-08-24 | Electric rope tying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107404086A true CN107404086A (en) | 2017-11-28 |
| CN107404086B CN107404086B (en) | 2023-04-28 |
Family
ID=60398211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710736909.7A Active CN107404086B (en) | 2017-08-24 | 2017-08-24 | Electric rope tying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107404086B (en) |
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| SU1665963A1 (en) * | 1989-03-06 | 1991-07-30 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности | Device for retaining timber on a slope |
| JPH0928214A (en) * | 1995-07-18 | 1997-02-04 | Shimomuragumi:Kk | Guide rope attaching tool |
| US5636413A (en) * | 1995-12-19 | 1997-06-10 | Berg; Daniel T. | Diver's quick release tether line clip |
| JP2009000030A (en) * | 2007-06-20 | 2009-01-08 | Kyushu Electric Power Co Inc | Rope fixing tool |
| DE202013003533U1 (en) * | 2013-04-10 | 2013-04-23 | Grube KG Forstgerätestelle | Cable system in the form of a choker rope |
| JP2014132853A (en) * | 2013-01-10 | 2014-07-24 | Systec:Kk | Guide rope fitting tool for toppling columnar body |
| JP2016013073A (en) * | 2014-07-01 | 2016-01-28 | 中国電力株式会社 | Attaching method of tow hook to fallen tree |
| CN106549333A (en) * | 2016-12-07 | 2017-03-29 | 西南大学 | Coiling tethered unit of climbing tree is exempted from a kind of transmission line of electricity screen of trees felling |
| CN106786169A (en) * | 2017-02-17 | 2017-05-31 | 西南大学 | Transmission line of electricity chops at a tree servicing unit, system and its control method |
| CN207098449U (en) * | 2017-08-24 | 2018-03-13 | 广东电网有限责任公司阳江供电局 | A kind of electronic tether device |
-
2017
- 2017-08-24 CN CN201710736909.7A patent/CN107404086B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1665963A1 (en) * | 1989-03-06 | 1991-07-30 | Центральный Научно-Исследовательский И Проектно-Конструкторский Институт Механизации И Энергетики Лесной Промышленности | Device for retaining timber on a slope |
| JPH0928214A (en) * | 1995-07-18 | 1997-02-04 | Shimomuragumi:Kk | Guide rope attaching tool |
| US5636413A (en) * | 1995-12-19 | 1997-06-10 | Berg; Daniel T. | Diver's quick release tether line clip |
| JP2009000030A (en) * | 2007-06-20 | 2009-01-08 | Kyushu Electric Power Co Inc | Rope fixing tool |
| JP2014132853A (en) * | 2013-01-10 | 2014-07-24 | Systec:Kk | Guide rope fitting tool for toppling columnar body |
| DE202013003533U1 (en) * | 2013-04-10 | 2013-04-23 | Grube KG Forstgerätestelle | Cable system in the form of a choker rope |
| JP2016013073A (en) * | 2014-07-01 | 2016-01-28 | 中国電力株式会社 | Attaching method of tow hook to fallen tree |
| CN106549333A (en) * | 2016-12-07 | 2017-03-29 | 西南大学 | Coiling tethered unit of climbing tree is exempted from a kind of transmission line of electricity screen of trees felling |
| CN106786169A (en) * | 2017-02-17 | 2017-05-31 | 西南大学 | Transmission line of electricity chops at a tree servicing unit, system and its control method |
| CN207098449U (en) * | 2017-08-24 | 2018-03-13 | 广东电网有限责任公司阳江供电局 | A kind of electronic tether device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107404086B (en) | 2023-04-28 |
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