CN108808544A - Pass in and out forceful electric power field device - Google Patents
Pass in and out forceful electric power field device Download PDFInfo
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- CN108808544A CN108808544A CN201810555814.XA CN201810555814A CN108808544A CN 108808544 A CN108808544 A CN 108808544A CN 201810555814 A CN201810555814 A CN 201810555814A CN 108808544 A CN108808544 A CN 108808544A
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- frame
- electric power
- disengaging
- forceful electric
- power field
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- 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 belongs to high voltage transmission line live work engineering device technique field more particularly to a kind of disengaging forceful electric power field devices.Including trailer system, operating system, protection system；Trailer system includes dragger, somersault coaster and lifting rope；Operating system includes space framework I and plane framework II, frame II is arranged in the upper end of I rear side of frame, the downside of frame I is provided with pedal I, connector I is provided on frame I, the left and right sides of frame I is folding to be provided with pedal II, the left and right sides of I upper end of frame is folding to be provided with plane framework III, and the upper end of frame III is by buckling dismountable connection framework II；Lifting rope is sequentially connected with dragger, somersault coaster and connector I, protection rope connection connector I, locking coaster.The disengaging forceful electric power field device can reduce the labor intensity of operating personnel, expand operating area, convenient working, ensure operating personnel's safety simultaneously again convenient for the disengaging forceful electric power field device of storehouse storage and road transport.
Description
Technical field
The invention belongs to high voltage transmission line live work engineering device technique fields more particularly to a kind of disengaging highfield to fill
It sets.
Background technology
In 110~220kV electric transmission line hot-line upkeep operations, equipotential live line work method is one of common operational method.
Equipotential live line work refers to that operating personnel dresses a full set of shielding protection apparatus, enters highfield by insulating tools such as insulated flexible ladders,
Operating personnel is in direct contact electrical body, the operation carried out when being in same current potential with electrical body.Electrification repairing conducting wire, charged for replacement
The electric transmission line hot-lines upkeep operations such as stockbridge damper, charged for replacement bunch of insulator are all frequently necessary to by the way of equipotential live line work
It carries out, and equipotential personnel need to pass in and out electric field by safe and reliable in-out apparatus.
The widely used in-out apparatus of current 110~220kV electric transmission line equipotentials operation is insulated flexible ladder, equipotential people
Member takes the mode of manpower climbing insulated flexible ladder to enter highfield.Insulated flexible ladder is to rely on to be suspended on shaft tower with conducting wire, ground wire,
Ground electrician stretches insulated flexible ladder as possible perpendicular to ground, and then, equipotential personnel, which use both hands and feet, climbs insulated flexible ladder entrance
Highfield carries out equipotential upkeep operation.The insulation coaster for putting on fall arrest backup protection rope is hung on insulating flexible ladder head, ground
Face staff protects the fall arrest of equipotential personal height operation by artificially holding the realization of fall arrest backup protection rope.
Using above-mentioned disengaging forceful electric power field device can there are the following problems：1, when needing the conducting wire of hotline maintenance excessively high, etc.
Current potential personnel pass in and out highfield by manpower climbing rope ladder, and physical demands is excessive, be easy to cause physical when working in highfield
Situation and the bad situation of the state of mind, can not efficiently, carrying out the work of being absorbed in, and then reduce working efficiency and work quality,
Increase security risk；2, it is limited by insulated flexible ladder structure, equipotential personnel work when equipotential upkeep operation is carried out in high-altitude
Region is relatively narrow, is not easy to carry out real work；3, the operation of equipotential personal height may lose because of the human factor of ground electrician
Back-up protection is gone, causes the generation of the accident of falling at high altitude, safeguard measure not safe and reliable enough.
Invention content
In view of the foregoing defects the prior art has, the present invention proposes a kind of new disengaging forceful electric power field device.The disengaging
Forceful electric power field device can reduce the labor intensity of operating personnel, expand operating area, convenient working, ensure that operating personnel is same safely
When again be convenient for storehouse storage and road transport disengaging forceful electric power field device.
The present invention is realized using technical solution below：
A kind of disengaging forceful electric power field device, including trailer system, operating system, protection system；
Trailer system includes dragger, somersault coaster and lifting rope；
Operating system includes space framework I and plane framework II, and frame II is arranged in the upper end of I rear side of frame, frame I
Downside is provided with pedal I, and connector I is provided on frame I, and the left and right sides of I lower end of frame is folding to be provided with pedal II,
The left and right sides of I upper end of frame is folding to be provided with plane framework III, and the upper end of frame III is by buckling dismountable connection
Frame II；Operating system is folding structure, and convenient for storehouse storage, road transport, when use can be unfolded, expand as needed
The region of operation；
Protection system includes being latched coaster, the cable wind rope and protection rope in I edge of pedal being arranged；
Lifting rope is sequentially connected with dragger, somersault coaster and connector I, protection rope connection connector I, locking coaster.
Preferably, being also covered with insulation tarpaulin on frame II, the left and right sides for the tarpaulin that insulate are connected to left and right
On the frame III of both sides.
Preferably, dragger is hand machine or maneuvering milling machine.
Preferably, somersault coaster includes the holder and pulley being vertically connected with, the side of holder is vertically arranged with snap-gauge, card
Through-hole is provided on the upside of plate, the center vertical of snap-gauge is provided with U-shaped hole, vertical cunning is provided at left and right sides of frame upper
Hole, is interspersed with locating shaft in slide opening, and one end of locating shaft is provided with spring after passing through U-shaped hole, and the upper end of spring connects snap-gauge, under
One end of end connection locating shaft.Spring and snap-gauge constitute closedown structure, and operating personnel are chosen with insulating bar by through-hole when use
Somersault coaster is played, snap-gauge is in the state elongated, when somersault coaster to be put on conducting wire, bullet by upward pulling force, spring
Spring can pull down snap-gauge by restoring force, and snap-gauge moves down, and to block conducting wire, prevent somersault coaster from falling off from conducting wire.
Preferably, connector I includes the insulating support rod being vertically arranged, the upper end of insulating support rod is provided with lifting lug.
Preferably, the corner of pedal II and the upper corner of frame III are additionally provided with hanging hole, II He of pedal after expansion
Frame III is connected by connector II.
Preferably, connector II is the insulation connecting rope or insulating bar for being provided at both ends with hook.By in pedal II
Connector II is arranged between frame III can increase the stability of device.
Preferably, further including the suspension cord being attached on frame III, one end of suspension cord passes through on frame III
Two hanging holes after be connected on suspension cord and form triangular structure.Connection side between the lower part and frame III of suspension cord
Formula constitutes triangular structure, and this triangular structure increases the stability of connection, prevents operating system double swerve.
Preferably, being additionally provided with seat board on the upside of frame I and frame III, seat board is triangle, the apex angle of seat board
It is connected on frame I or frame III by connecting rod.Seat board increases the comfort level of operating personnel at work, so as to
Mitigate the feeling of fatigue of operating personnel.
Preferably, locking coaster includes the holder and closedown structure being vertically connected with, closedown structure includes vertical left and right two
The guide rail of side and locating piece in guide rail bottom end is set, slidably there are two sliding blocks for setting on guide rail.The closedown structure structure
At three inserting holes, protection rope alternately passes through these three holes successively, i.e., after being gone through from the side in the top hole, then from centre
The other side in hole is gone through, then is worn in public from the other side in bottom hole, in this way, when operating system plunks down, sliding block is slided
Bottom is moved on to, protection can be restricted to squeeze and lockked, avoid operating system from continuing to fall, to ensure that the safety of operating personnel.
The beneficial effects of the invention are as follows：
(1) disengaging forceful electric power field device of the present invention is provided with trailer system, can make the equipotential in operating system
Industry personnel are sent into or send out highfield, in this way, the equipotential live line work of 110~220kV transmission lines of electricity is no longer needed for relying on manpower
Climbing disengaging highfield solves the problems, such as equipotential live line work personnel because climbing rope ladder physical demands is excessive, greatly reduces labor
Fatigue resistance, improves work efficiency and work quality.
(2) disengaging forceful electric power field device of the present invention is provided with operating system, which is folding structure, is put down
When be in folded state, convenient for storehouse storage and road transport, deployable operating system when working site uses expands workspace
Domain limits to reduce the operating personnel region suffered when operation is carried out in high-altitude, substantially increases convenience when operation.
(3) disengaging forceful electric power field device of the present invention is provided with protection system, and operation is further ensured that by cable wind rope
When device stability, be latched coaster on be provided with closedown structure, when occur operating system falling from high altitude emergency when, no
The factors such as the carelessness because of ground electrician lose back-up protection, solve traditional ground electrician and pull backup protection rope safety measure
Insecure problem greatly reduces falling from high altitude risk, improves the security reliability of working at height.
(4) disengaging forceful electric power field device of the present invention is provided with somersault coaster, be provided on the somersault coaster spring and
Snap-gauge, when somersault coaster to be put on conducting wire, snap-gauge is hauled by spring moves down latching conducting wire, to prevent conducting wire de-
It falls, spring increases the reliability of snap-gauge drop-down, and when snap-gauge is not at vertical state or is stuck, gravity can not incite somebody to action
Snap-gauge pulls down, and at this moment, by the restoring force of spring, snap-gauge is pulled down, and locks conducting wire.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention when in use.
Fig. 2 is the structural schematic diagram of the operating system of the present invention.
Fig. 3 is the structural schematic diagram of the operating system of the present invention when in use.
Fig. 4 is the structural schematic diagram of the somersault coaster of the present invention.
Fig. 5 is the structural schematic diagram of the locking coaster of the present invention.
In figure：1, dragger；2, somersault coaster；3, frame I；4, frame II；5, pedal I；6, pedal II；7, frame III；
8, cable wind rope；9, protection rope；10, holder；11, snap-gauge；12, spring；13, locating shaft；14, insulating support rod；15, lifting lug；16,
Hanging hole；17, connector II；18, suspension cord；19, seat board；20, connecting rod；21, guide rail；22, sliding block；23, it is latched coaster；
24, lifting rope；25, insulate tarpaulin.
Specific implementation mode
In order to make the object of the invention, technical solution be more clearly understood, below in conjunction with the accompanying drawings, the present invention is made further detailed
It describes in detail bright.
Embodiment：
As shown in Figures 1 to 5, a kind of disengaging forceful electric power field device, including trailer system, operating system, protection system；Traction
System includes dragger 1, somersault coaster 2 and lifting rope 24；Operating system includes space framework I 3 and plane framework II 4, frame
Frame II 4 is arranged in the upper end of I 3 rear side of frame, and the downside of frame I 3 is provided with pedal I 5, connector I is provided on frame I 3, this
Connector I in embodiment is arranged on the seat board 19 of frame I 3, and the left and right sides of frame I 3 is folding to be provided with pedal II
6, the left and right sides of I 3 upper end of frame is folding to be provided with plane framework III 7, and the upper end of frame III 7 is dismountable by buckling
Connection framework II 4；Operating system is folding structure, and convenient for storehouse storage, road transport, when use can be unfolded as needed,
Expand the region of operation；Protection system includes being latched coaster 23, the cable wind rope 8 and protection rope in I 5 edge of pedal being arranged
9；Lifting rope 24 is sequentially connected with dragger 1, somersault coaster 2 and connector I, 9 connection connector I of protection rope, locking coaster 23.
Insulation tarpaulin 25 is also covered on frame II 4, the left and right sides of insulation tarpaulin 25 are connected to the left and right sides
Frame III 7 on.Insulation tarpaulin 25 is integrated trapezium structure, and when frame III 7 be unfoldeds, insulating tarpaulin 25 also can be with exhibition
It opens, when packing up frame III 7, insulation tarpaulin 25 can fold therewith to be packed up, and insulation tarpaulin 25 can further protect operating personnel's
Safety.Dragger 1 is hand machine or maneuvering milling machine.Somersault coaster 2 includes the holder 10 and pulley being vertically connected with, branch
The side of frame 10 is vertically arranged with snap-gauge 11, and the upside of snap-gauge 11 is provided with through-hole, and the center vertical of snap-gauge 11 is provided with U-shaped
Hole is provided with vertical slide opening at left and right sides of 10 top of holder, locating shaft 13 is interspersed in slide opening, one end of locating shaft 13 is worn
It is provided with spring 12 after crossing U-shaped hole, the upper end of spring 12 connects snap-gauge 11, and lower end connects one end of locating shaft 13.12 He of spring
Snap-gauge 11 constitutes closedown structure, and operating personnel provoke somersault coaster 2 with insulating bar by through-hole when use, snap-gauge 11 by
On pulling force, spring 12 be in elongate state, when somersault coaster 2 is put on conducting wire, spring 12 can by restoring force to
Snap-gauge 11 is pulled down, snap-gauge 11 moves down, and to block conducting wire, prevents somersault coaster 2 from falling off from conducting wire.Connector I includes
The upper end of the insulating support rod 14 being vertically arranged, insulating support rod 14 is provided with lifting lug 15.The corner of pedal II 6 and frame III
7 upper corner is additionally provided with hanging hole 16, and the pedal II 6 and frame III 7 after expansion are connected by connector II 17.Connector II 17
To be provided at both ends with the insulation connecting rope or insulating bar of hook.By the way that connector II is arranged between pedal II 6 and frame III 7
17 can increase the stability of device.Further include the suspension cord 18 that can be suspended on frame III 7, one end of suspension cord 18 is worn
It is connected on suspension cord 18 after two hanging holes 16 crossed on frame III 7 and forms triangular structure.The lower part of suspension cord 18 with
Connection type between frame III 7 constitutes triangular structure, and this triangular structure increases the stability of connection, prevents from making
Industry system double swerve.Seat board 19 is additionally provided on the upside of frame I 3 and frame III 7, seat board 19 is triangle, seat board 19
Apex angle be connected on frame I 3 or frame III 7 by connecting rod 20.Seat board 19 increase operating personnel at work relax
Appropriateness, so as to mitigate the feeling of fatigue of operating personnel.Locking coaster 23 includes the holder 10 and closedown structure being vertically connected with, and is closed
Lock construction includes the guide rail 21 of the vertical left and right sides and locating piece in 21 bottom end of guide rail is arranged, and is slidably set on guide rail 21
Sliding block 22 there are two setting.The closedown structure constitutes three inserting holes, and protection rope 9 alternately passes through these three holes successively, i.e., from most
It after the side of upper surface hole is gone through, then goes through from the other side of interstitial hole, then wears in public from the other side in bottom hole, this
Sample, when operating system plunks down, sliding block 22 is slid onto bottom, can will protection rope 9 squeeze lock, avoid operating system after
It is continuous to fall, to ensure that the safety of operating personnel.
The present invention is when in use：
(1) preparation：When carrying out 110~220kV electric transmission line equipotential upkeep operations, by conductor cross-section, peace
After the operating conditions such as full distance calculate the use condition for meeting the present invention, electrician's rod-rising tower is to waiting for operation conducting wire cross-arm position on tower
It sets, ties up safety belt, the fall coaster for putting on lifting rope in advance is suspended on operation phase conductor using insulating bar, fall is slided
Spring on vehicle pulls down snap-gauge, prevents fall coaster from wire dropping.Same method slides the locking for putting on protection rope in advance
Vehicle is suspended on conducting wire.Ground electrician pulls lifting rope and protection to restrict respectively, and fall coaster and locking coaster are moved on conducting wire
Job position.
Operating system, if the workspace of needs to be carried out the work is wider, unfolded are adjusted according to need of work
Pedal II and frame III, and by connector II by after extension pedal II and frame III connect.It, will after adjusting operating system
The lifting lug that lifting rope one end is ined succession on connector I, the other end are ined succession dragger.The lifting lug that protection rope one end is ined succession on connector I,
The other end is controlled by ground staff.Cable wind rope is ined succession the hanging hole of pedal I.Equipotential personnel can be sitting on seat board.
(2) at the uniform velocity rise：Ground electrician shakes dragger, tightens lifting rope, and equipotential personnel take operating system at the uniform velocity
Rise, ground electrician by control cable wind rope come control operating system uphill process amplitude of fluctuation.
(3) current potential is shifted：When equipotential personnel close to live wire to it is defined apart from when, to work responsible person apply electricity
Electric potential transferring stick is quickly hung over completion equipotential process on live wire by bit transition after agreement.
(4) equipotential personnel carry out the work：Equipotential personnel hang the frame III after lifting lug and extension with suspension cord
On conducting wire, ground electrician is coordinated by dragger, and suspension cord stress, equipotential personnel is made to pass through hand steered conducting wire, foot
The mode transferring position of pedal I or pedal II, facilitates development service work.
(5) after working, ground electrician is coordinated by dragger, and equipotential personnel remove three suspension cords.Then,
Ground electrician controls dragger, and operating system is at the uniform velocity put down, when equipotential personnel are far from live wire to predetermined distance, to
The responsible person that works applies for disengaging current potential, quickly removes electric potential transferring stick by permission, ground electrician continues through control dragger
Lifting rope is unclasped, equipotential personnel are slowly put to ground.
(6) electrician removes fall coaster and locking coaster on tower, lower tower.
(7) site clearing, work are completed.
The foregoing is merely presently preferred embodiments of the present invention and oneself, not with the present invention for limitation, it is all the present invention essence
Impartial modifications, equivalent substitutions and improvements etc., should be included in the patent covering scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of disengaging forceful electric power field device, which is characterized in that including trailer system, operating system, protection system；
Trailer system includes dragger (1), somersault coaster (2) and lifting rope (24)；
Operating system includes space framework I (3) and plane framework II (4), and frame II (4) setting is upper on rear side of frame I (3)
It holds, is provided with pedal I (5) on the downside of frame I (3), connector I, the left and right two of frame I (3) lower end are provided on frame I (3)
Side is folding to be provided with pedal II (6), and the left and right sides of frame I (3) upper end is folding to be provided with plane framework III (7),
The upper end of frame III (7) is by buckling dismountable connection framework II (4)；
Protection system includes locking coaster (23), the cable wind rope (8) and protection rope (9) in pedal I (5) edge is arranged；
Lifting rope (24) is sequentially connected with dragger (1), somersault coaster (2) and connector I, protection rope (9) connection connector I,
It is latched coaster (23).
2. disengaging forceful electric power field device according to claim 1, which is characterized in that be also covered on the frame II (4) absolutely
The left and right sides of edge tarpaulin (25), insulation tarpaulin (25) are connected on the frame III (7) of the left and right sides.
3. disengaging forceful electric power field device according to claim 1, which is characterized in that the dragger (1) is hand machine
Or maneuvering milling machine.
4. disengaging forceful electric power field device according to claim 1, which is characterized in that the somersault coaster (2) includes connecting up and down
The side of the holder (10) and pulley connect, holder (10) is vertically arranged with snap-gauge (11), and snap-gauge is provided with through-hole on the upside of (11),
The center vertical of snap-gauge (11) is provided with U-shaped hole, is provided with vertical slide opening at left and right sides of holder (10) top, is worn in slide opening
It is inserted with locating shaft (13), one end of locating shaft (13) is provided with spring (12), the upper end connection card of spring (12) after U-shaped hole
Plate (11), lower end connect one end of locating shaft (13).
5. disengaging forceful electric power field device according to claim 1, which is characterized in that the connector I includes being vertically arranged
The upper end of insulating support rod (14), insulating support rod (14) is provided with lifting lug (15).
6. disengaging forceful electric power field device according to claim 1, which is characterized in that the corner of the pedal II (6) and frame
The upper corner of frame III (7) is additionally provided with hanging hole (16), and the pedal II (6) and frame III (7) after expansion pass through connector II (17)
Connection.
7. disengaging forceful electric power field device according to claim 6, which is characterized in that the connector II (17) is arranged for both ends
There are the insulation connecting rope or insulating bar of hook.
8. disengaging forceful electric power field device according to claim 1, which is characterized in that further include being attached on frame III (7)
Suspension cord (18), one end of suspension cord (18) is connected to suspension strop after passing through two hanging holes (16) on frame III (7)
Rope forms triangular structure on (18).
9. disengaging forceful electric power field device according to claim 1, which is characterized in that the upside of the frame I (3) and frame
Seat board (19) is additionally provided on III (7), seat board (19) is triangle, and the apex angle of seat board (19) is connected to frame by connecting rod (20)
On frame I (3) or frame III (7).
10. disengaging forceful electric power field device according to claim 1, which is characterized in that the locking coaster (23) includes up and down
The holder (10) and closedown structure of connection, the closedown structure include the guide rail (21) of the vertical left and right sides and are arranged in guide rail
(21) locating piece of bottom end, slidably there are two sliding blocks (22) for setting on the guide rail (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555814.XA CN108808544B (en) | 2018-06-01 | 2018-06-01 | Strong electric field inlet and outlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555814.XA CN108808544B (en) | 2018-06-01 | 2018-06-01 | Strong electric field inlet and outlet device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108808544A true CN108808544A (en) | 2018-11-13 |
| CN108808544B CN108808544B (en) | 2021-02-02 |
Family
ID=64090958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810555814.XA Active CN108808544B (en) | 2018-06-01 | 2018-06-01 | Strong electric field inlet and outlet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108808544B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802329A (en) * | 2019-01-31 | 2019-05-24 | 中国电力科学研究院有限公司 | Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods |
| CN110707601A (en) * | 2019-12-09 | 2020-01-17 | 云南电网有限责任公司昆明供电局 | Method for entering multi-loop vertical arrangement wire equipotential operation |
| CN110829269A (en) * | 2019-12-09 | 2020-02-21 | 云南电网有限责任公司昆明供电局 | Special gallows of multi-loop vertical arrangement wire equipotential operation special guidance ground wire |
| CN111146730A (en) * | 2020-03-13 | 2020-05-12 | 周口龙润电力（集团）有限公司 | Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003209912A (en) * | 2002-01-16 | 2003-07-25 | Mitsubishi Cable Ind Ltd | Laying method for hanging wire with hanger |
| KR100718536B1 (en) * | 2005-12-29 | 2007-05-15 | 한국전기공사협회 | Screw type puller for supporting conductors in transmission lines |
| KR100861401B1 (en) * | 2008-04-14 | 2008-10-02 | 주식회사 한국코아엔지니어링 | Installation apparatus of cable using hot-air balloon |
| EP2034574A2 (en) * | 2007-09-04 | 2009-03-11 | LTB Leitungsbau GmbH | Securing element, device and method for securing open wires |
| CN103326274A (en) * | 2013-06-29 | 2013-09-25 | 国家电网公司 | Insulating holding pole erecting tool |
| CN203755637U (en) * | 2014-03-19 | 2014-08-06 | 中国葛洲坝集团股份有限公司 | High-altitude double-rail-beam bottom movable type hanging operating platform |
| CN204559002U (en) * | 2015-05-12 | 2015-08-12 | 国家电网公司 | A kind of bar control somersault is sliding |
| CN205681012U (en) * | 2016-06-13 | 2016-11-09 | 江西电力职业技术学院 | Live working platform for overhead transmission line |
-
2018
- 2018-06-01 CN CN201810555814.XA patent/CN108808544B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003209912A (en) * | 2002-01-16 | 2003-07-25 | Mitsubishi Cable Ind Ltd | Laying method for hanging wire with hanger |
| KR100718536B1 (en) * | 2005-12-29 | 2007-05-15 | 한국전기공사협회 | Screw type puller for supporting conductors in transmission lines |
| EP2034574A2 (en) * | 2007-09-04 | 2009-03-11 | LTB Leitungsbau GmbH | Securing element, device and method for securing open wires |
| KR100861401B1 (en) * | 2008-04-14 | 2008-10-02 | 주식회사 한국코아엔지니어링 | Installation apparatus of cable using hot-air balloon |
| CN103326274A (en) * | 2013-06-29 | 2013-09-25 | 国家电网公司 | Insulating holding pole erecting tool |
| CN203755637U (en) * | 2014-03-19 | 2014-08-06 | 中国葛洲坝集团股份有限公司 | High-altitude double-rail-beam bottom movable type hanging operating platform |
| CN204559002U (en) * | 2015-05-12 | 2015-08-12 | 国家电网公司 | A kind of bar control somersault is sliding |
| CN205681012U (en) * | 2016-06-13 | 2016-11-09 | 江西电力职业技术学院 | Live working platform for overhead transmission line |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802329A (en) * | 2019-01-31 | 2019-05-24 | 中国电力科学研究院有限公司 | Electrification enters 750 kilovolts of quadri-circuit lines on the same tower road equipotential methods |
| CN110707601A (en) * | 2019-12-09 | 2020-01-17 | 云南电网有限责任公司昆明供电局 | Method for entering multi-loop vertical arrangement wire equipotential operation |
| CN110829269A (en) * | 2019-12-09 | 2020-02-21 | 云南电网有限责任公司昆明供电局 | Special gallows of multi-loop vertical arrangement wire equipotential operation special guidance ground wire |
| CN110707601B (en) * | 2019-12-09 | 2021-09-14 | 云南电网有限责任公司昆明供电局 | Method for entering multi-loop vertical arrangement wire equipotential operation |
| CN111146730A (en) * | 2020-03-13 | 2020-05-12 | 周口龙润电力（集团）有限公司 | Controllable unwrapping wire coaster that opens door of two split conductor protection of electric wire netting three-span construction |
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| Publication number | Publication date |
|---|---|
| CN108808544B (en) | 2021-02-02 |
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