CN108123400A - Insulating bar auxiliary device - Google Patents
Insulating bar auxiliary device Download PDFInfo
- Publication number
- CN108123400A CN108123400A CN201711339605.3A CN201711339605A CN108123400A CN 108123400 A CN108123400 A CN 108123400A CN 201711339605 A CN201711339605 A CN 201711339605A CN 108123400 A CN108123400 A CN 108123400A
- Authority
- CN
- China
- Prior art keywords
- insulating bar
- extensible member
- fixture
- rotatably connected
- auxiliary device
- 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.)
- Pending
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Classifications
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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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- Electric Cable Installation (AREA)
Abstract
The present invention provides a kind of insulating bar auxiliary devices.The device includes：Retractable supports body and the first insulating bar fixture being arranged at the top of retractable supports body；Wherein, the bottom of retractable supports body is rotatably connected with shaft tower tower material clamping piece, to from the first position of any angle supports insulative operation lever；First insulating bar fixture is rotatably connected with retractable supports body, to clamp insulating bar and adjust its work angle.Insulating bar auxiliary device provided by the invention is rotatably connected so that retractable supports body can provide one for the first position of insulating bar from any angle and stablize flexible fulcrum by the bottom and shaft tower tower material clamping piece of retractable supports body；Be rotatably connected by the first insulating bar fixture with retractable supports body so that insulating bar can flexible rotating, its job area on first position is increased, so as to for cross arm of tower side ground potential operator provide a first stable fulcrum.
Description
Technical field
The present invention relates to insulating bar technical field of auxiliary equipment, are aided in particular to a kind of insulating bar
Device.
Background technology
Livewire work is a kind of job that requires special skills mode that upkeep operation is carried out under conditions of equipment does not have a power failure, in power transmission line
Equipotential live line work method and earth potential working method are mainly used in the livewire work of road.When using earth potential working, ground potential electrician
Inspection operation is carried out to the charging equipment of distal end using insulating bar.With the raising of transmission line of electricity voltage class, route lever
The tower head size of tower is increasing, and ground potential electrician is in order to touching farther charging equipment, it is necessary to using increasingly longer
Insulating bar, particularly on extra high voltage line, the length of insulating bar, which needs to reach 10 meters or more, can just fulfil assignment.
The weight of insulating bar alreadys exceed the limit of operating personnel's handheld tool at this time, has seriously affected the development of upkeep operation.
China Patent Publication No. is the application for a patent for invention of CN104868399A, discloses a kind of universal branch of insulating bar
Frame specifically discloses the upper end that arc bracket is connected to vertical direction shaft adjustment plate, is opened up among the upper end of strut
One slot, the lower part of vertical direction shaft adjustment plate is interior embedded in the slot of strut and can be movable in slot, and bolt passes through branch from one side
Bar and vertical direction shaft adjustment plate and the opposite side for extending to strut, bolt extend on strut opposite side install nut and
Pin, horizontal rotating shaft are mounted on the middle and upper part of strut and strut are divided into two parts up and down, and strap is mounted under strut
End is equipped with adjusting screw in the lower plate of strap.
Insulating bar gimbals in above-mentioned technical proposal are only capable of in the case where the length of insulating bar is certain
It adjusts the angle, and the operation direction of insulating bar cannot be adjusted in a plurality of directions.
The content of the invention
In consideration of it, the present invention proposes a kind of insulating bar auxiliary device, it is intended to solve operation in existing livewire work
The problem of convenience is poor when personnel use insulating bar.
On one side, the present invention proposes a kind of insulating bar auxiliary device, including：It retractable supports body and is arranged on
The first insulating bar fixture at the top of the retractable supports body；Wherein, the bottom of the retractable supports body and shaft tower tower
Material clamping piece is rotatably connected, to from the first position of any angle supports insulative operation lever；First insulating bar
Fixture is rotatably connected with the retractable supports body, to clamp the insulating bar and adjust its work angle.
Further, in above-mentioned insulating bar auxiliary device, the retractable supports body includes：First extensible member and
Two extensible members；Wherein, the top of first extensible member and the top of second extensible member pass through in angle setting and the two
Connector is connected, and the connector is rotatably connected with the first insulating bar fixture；The first extensible member bottom
It is rotatably connected with the first shaft tower tower material fixture；The bottom of second extensible member rotatably connects with the second shaft tower tower material fixture
It connects.
Further, in above-mentioned insulating bar auxiliary device, first extensible member passes through the first universal bearing and institute
The first shaft tower tower material fixture is stated to be rotatably connected；Second extensible member passes through the second universal bearing and the second shaft tower tower material
Fixture is rotatably connected；The connector is rotatably connected with the first insulating bar fixture by the 3rd universal bearing.
Further, in above-mentioned insulating bar auxiliary device, first extensible member and second extensible member on
The axisymmetrical of the first insulating bar fixture is set.
Further, in above-mentioned insulating bar auxiliary device, further include：Servomechanism；Wherein, the servomechanism
One end is connected with shaft tower tower material, and the second position of the other end and the insulating bar is rotatably connected, to for it is described absolutely
Edge operation lever provides the power-assisted in a direction on the second position.
Further, in above-mentioned insulating bar auxiliary device, the servomechanism includes：3rd extensible member and second is absolutely
Edge operates rod chucking appliance；Wherein, the bottom of the 3rd extensible member is connected with shaft tower tower material；The top of 3rd extensible member with
The second insulating bar fixture is rotatably connected.
Further, in above-mentioned insulating bar auxiliary device, the 3rd extensible member passes through the 4th universal bearing and institute
The second insulating bar fixture is stated to be connected.
Further, in above-mentioned insulating bar auxiliary device, the 3rd extensible member is electric hydaulic assister bar.
Further, in above-mentioned insulating bar auxiliary device, the 3rd extensible member passes through rope retaining ring and the bar
Tower tower material is connected.
Further, in above-mentioned insulating bar auxiliary device, first extensible member and second extensible member are
Insulated pipes used.
Compared with prior art, the insulating bar auxiliary device provided in the present embodiment, passes through retractable supports body
Bottom is rotatably connected with shaft tower tower material clamping piece so that the installation site of retractable supports body from pyramidal structure influence,
Support can be provided to meet the operation needs of operating personnel from any angle for the first position of insulating bar；By first absolutely
Edge operation rod chucking appliance is rotatably connected with retractable supports body so that insulating bar can flexible rotating, increase it the
Job area on one position stablizes flexible first fulcrum so as to provide one for cross arm of tower side ground potential operator.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will be apparent understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is retractable supports body and the first insulation operation in insulating bar auxiliary device provided in an embodiment of the present invention
The structure diagram of rod chucking appliance；
Fig. 2 is the structure diagram of servomechanism in insulating bar auxiliary device provided in an embodiment of the present invention；
Fig. 3 is the mounting structure schematic diagram of insulating bar auxiliary device provided in an embodiment of the present invention.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.It should be noted that in the case where there is no conflict, embodiment in the present invention and
Feature in embodiment can be mutually combined.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Refering to Fig. 1, the insulating bar auxiliary device of the embodiment of the present invention includes：Retractable supports body 1 and be arranged on can
The first insulating bar fixture 2 at 1 top of retractable support body；Wherein, the bottom of retractable supports body 1 can with shaft tower tower material fixture
Rotation connection, to from the first position of any angle supports insulative operation lever；First insulating bar fixture 2 and scalable branch
Support body 1 is rotatably connected, to clamp insulating bar and adjust its work angle.
Specifically, the first position of insulating bar can be any one place on its surface, when it is implemented, scalable
After supporter 1 can clamp insulating bar by the first insulating bar fixture 2 at the top of it, insulating bar is supported on
Any position of head end or close head end.
With continued reference to Fig. 1, the first extensible member 11 and the second extensible member 12 can be insulated pipes used.Retractable supports body 1
It can include：First extensible member 11 and the second extensible member 12.Wherein：
The top of first extensible member 11 is set with the top of the second extensible member 12 in angle and the two is connected by connector 6
It connects, connector 6 is rotatably connected with the first insulating bar fixture 2.
First extensible member 11 can include the first fixed part a and the first pars contractilis b, the first fixed part a and the first pars contractilis b
The length of the first pars contractilis b can be adjusted by the first telescopic locking bolt 9 so as to adjust the length of the first extensible member 11, with full
Demand during sufficient actual job.When it is implemented, the first fixed part a and the first pars contractilis b are rod-like structure, the first pars contractilis
The internal diameter of b is slightly less than the internal diameter of the first fixed part a, can the adjustable movement in position in the first fixed part a, in the first fixed part
Corresponding through hole is offered respectively on a and the first pars contractilis b, when the first pars contractilis b is adjusted to the default position in the first fixed part a
When putting, the first pars contractilis b and the first fixed part a can be fastened by the first telescopic locking bolt 9.
Second extensible member 12 can include the second fixed part c and the second pars contractilis d, the second fixed part c and the second pars contractilis d
Can the second pars contractilis d be adjusted by the second telescopic locking bolt 10, so as to adjust the length of the second extensible member 12.Specific implementation
When, the second fixed part c and the second pars contractilis d are rod-like structure, and the internal diameter of the second pars contractilis d is slightly less than the second fixed part c's
Internal diameter, can the adjustable movement in position in the second fixed part c, offered respectively on the second fixed part c and the second pars contractilis d
Corresponding through hole when the second pars contractilis d is adjusted to predeterminated position in the second fixed part c, passes through the second telescopic locking bolt
10 can fasten the second pars contractilis d and the second fixed part c.
The top of first extensible member 11 and the top of the second extensible member 12 are set in angle, and the size of angle can be according to reality
Border situation is determined, and can provide support for insulating bar.I.e.：First extensible member 11 and the second extensible member 12 can be with
In " people " set up of character patt ern.Connector 6 can be can freely activity connector, in order to adjust the first extensible member 11 and second
Angle between extensible member 12.
First extensible member, 11 bottom is rotatably connected with the first shaft tower tower material fixture 7, the bottom of the second extensible member 12 and the
Two shaft tower tower material fixtures 8 are rotatably connected.
Referring again to Fig. 1, first extensible member 11 passes through the first universal bearing 3 and the first shaft tower tower material fixture 7
It is rotatably connected；Second extensible member 12 is rotatably connected by the second universal bearing 4 and the second shaft tower tower material fixture 8
It connects；The connector 6 is rotatably connected with the first insulating bar fixture 2 by the 3rd universal bearing 5.
Specifically, the first universal bearing 3, the second universal bearing 4 and the 3rd universal bearing 5 can be by pedestals (in Fig. 1 not
Show) weld or be bolted in the first shaft tower tower material fixture 7 and the second shaft tower tower material fixture 8.Also, the first universal bearing 3,
Locking bolt is both provided on two universal bearings 4 and the 3rd universal bearing 5, can be pacified in the first extensible member 11 and the second extensible member 12
After being filled to predeterminated position and adjusting the clamping direction of the first insulating bar fixture 2, the first universal bearing 3, are locked respectively
Two universal bearings 4 and the 3rd universal bearing 5, avoid retractable supports body 1 from deforming.
In order to ensure the stability of structure, it is preferred that first extensible member 11 is with second extensible member 12 on institute
The axisymmetrical for stating the first insulating bar fixture 2 is set.
Insulating bar auxiliary device that is above-mentioned obviously to draw, being provided in the present embodiment, passes through retractable supports body
Bottom be rotatably connected with shaft tower tower material clamping piece so that the installation site of retractable supports body from pyramidal structure shadow
It rings, support can be provided from any angle for the first position of insulating bar to meet the operation needs of operating personnel；Pass through
One insulating bar fixture is rotatably connected with the retractable supports body so that insulating bar can flexible rotating, increase
Its job area on first position stablizes flexible the so as to provide one for cross arm of tower side ground potential operator
One fulcrum.
With continued reference to Fig. 1, first extensible member 11 passes through the first universal bearing 3 and the first shaft tower tower material fixture 7
It is rotatably connected；Second extensible member 12 is rotatably connected by the second universal bearing 4 and the second shaft tower tower material fixture 8
It connects；The connector 6 is rotatably connected with the first insulating bar fixture 2 by the 3rd universal bearing 5.
Specifically, the first universal bearing 3, the second universal bearing 4 and the 3rd universal bearing 5 can be by pedestals (in Fig. 1 not
Show) weld or be bolted in the first shaft tower tower material fixture 7 and the second shaft tower tower material fixture 8.Also, the first universal bearing 3,
Locking bolt is both provided on two universal bearings 4 and the 3rd universal bearing 5, can be pacified in the first extensible member 11 and the second extensible member 12
After being filled to predeterminated position and adjusting the clamping direction of the first insulating bar fixture 2, the first universal bearing 3, are locked respectively
Two universal bearings 4 and the 3rd universal bearing 5, avoid retractable supports body 1 from deforming.
Refering to Fig. 2, in the various embodiments described above, further include：Servomechanism 13.One end of servomechanism 13 and shaft tower tower material phase
Connection, the second position of the other end and the insulating bar is rotatably connected, to be the insulating bar in second
The power-assisted provided in a direction is provided.
The second position has spacing with first position on insulating bar, wherein, the second position can be insulation operation
Any position of the afterbody of bar or its close afterbody, in order to which servomechanism 13 carries it from the another location of insulating bar
Power-assisted during for operation.
With continued reference to Fig. 2, servomechanism 13 can include：3rd extensible member 131 and the second insulating bar fixture 132.
Wherein：
The bottom of 3rd extensible member 131 is connected with shaft tower tower material, the top and described second of the 3rd extensible member 131
Insulating bar fixture 132 is rotatably connected.
Referring again to Fig. 2, the 3rd extensible member 131 is electric hydaulic assister bar, and insulation operation can be drawn from the second position
Bar moves in one direction.3rd extensible member 131 is pressed from both sides by the 4th universal bearing 14 with second insulating bar
Tool 132 is connected, and the 3rd extensible member 131 can be connected by rope retaining ring 15 with the shaft tower tower material.
Specifically, being provided with locking bolt on the 4th universal bearing 14, rope retaining ring 15 can be passed through in the 3rd extensible member 131
After being fixed to the predeterminated position of shaft tower tower material and adjusting the clamping direction of the second insulating bar fixture 132, locking the 40000th
To bearing 14, with the second position of fastening clamp insulating bar.Obviously can draw, the 3rd extensible member 131 passes through
Four universal bearings 14 are connected with the second insulation rod chucking appliance 132, can be adjusted and are connected direction with the arbitrary of insulating bar, by the
Three extensible members 131 draw the second position of insulating bar, and the second fulcrum can be provided for it, improves entire auxiliary device
Stability, meanwhile, the installation site of the 3rd extensible member 131 is adjusted by rope retaining ring 15, is transported with reference to the straight line of electrohydraulic cylinder
Kinetic energy enough provides the Power assisted control on a direction for insulating bar, alleviates the labor intensity of operating personnel.
Refering to Fig. 3, of the invention specific embodiment is as follows：
Using insulating bar when carrying out live detection operation to straight line insulator string on cross-arm, tower body operating personnel first will
19 and first insulating bar fixture (Fig. 3 is not shown) of retractable supports body is mounted on the suitable position on cross-arm by universal bearing
It postpones, then insulating bar is put into the first insulating bar fixture, pass through the first universal bearing (Fig. 3 is not shown),
Two universal bearings (Fig. 3 is not shown) adjust the relative position of insulating bar and insulator chain 18, reach suitable test position.Finally
By the first universal bearing on retractable supports body 19 and the second universal bearing by locking bolt-lock tightly to ensure the first fulcrum
Stablize, by the 3rd universal bearing on the first insulating bar fixture by locking bolt-lock tightly to fix insulating bar.It connects
Needs to install servomechanism 20 according to operation, slowly unclamps the locking of the 3rd universal bearing at 19 top of retractable supports body
Bolt, by adjusting the length of the 3rd extensible member (Fig. 3 is not shown) so that the end measurement component of insulating bar can be exhausted
It is movable on edge substring.
In conclusion the insulating bar auxiliary device provided in the present embodiment, by the bottom of retractable supports body with
Shaft tower tower material clamping piece is rotatably connected；It is rotatably connected by the first insulating bar fixture and the retractable supports body,
Enable insulating bar flexible rotating, increase its job area on first position, so as to for cross arm of tower side
Current potential operating personnel provides one and stablizes flexible first fulcrum；The second position of insulating bar is drawn by servomechanism,
Second fulcrum for it can be provided, add integrally-built stability, and the linear motion for combining electrohydraulic cylinder can
The Power assisted control on a direction is provided for insulating bar, alleviates the labor intensity of personnel, overall structure is simple, installation side
Just, it is suitable for working at height.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of insulating bar auxiliary device, which is characterized in that including：Retractable supports body (1) and being arranged on described can be stretched
The first insulating bar fixture (2) at the top of contracting supporter (1)；Wherein,
The bottom of the retractable supports body (1) is rotatably connected with shaft tower tower material clamping piece, to exhausted from any angle support
The first position of edge operation lever；
The first insulating bar fixture (2) is rotatably connected with the retractable supports body (1), to clamp the insulation
Operation lever simultaneously adjusts its work angle.
2. insulating bar auxiliary device according to claim 1, which is characterized in that retractable supports body (1) bag
It includes：First extensible member (11) and the second extensible member (12)；Wherein,
The top of first extensible member (11) and the top of second extensible member (12) pass through company in angle setting and the two
Fitting (6) is connected, and the connector (6) is rotatably connected with the first insulating bar fixture (2)；
First extensible member (11) bottom is rotatably connected with the first shaft tower tower material fixture (7)；Second extensible member (12)
Bottom be rotatably connected with the second shaft tower tower material fixture (8).
3. insulating bar auxiliary device according to claim 2, which is characterized in that
First extensible member (11) is rotatably connected by the first universal bearing (3) and the first shaft tower tower material fixture (7)；
Second extensible member (12) is rotatably connected by the second universal bearing (4) and the second shaft tower tower material fixture (8)；
The connector (6) is rotatably connected with the first insulating bar fixture (2) by the 3rd universal bearing (5).
4. insulating bar auxiliary device according to claim 2, which is characterized in that first extensible member (11) and institute
The axisymmetrical that the second extensible member (12) is stated on the first insulating bar fixture (2) is set.
5. insulating bar auxiliary device according to any one of claim 1 to 4, which is characterized in that further include：Power-assisted
Mechanism (13)；Wherein,
One end of the servomechanism (13) is connected with shaft tower tower material, and the second position of the other end and the insulating bar can
Rotation connection, to provide the power-assisted in a direction on the second position for the insulating bar.
6. insulating bar auxiliary device according to claim 5, which is characterized in that the servomechanism (13) includes：
3rd extensible member (131) and the second insulating bar fixture (132)；Wherein,
The bottom of 3rd extensible member (131) is connected with shaft tower tower material；
The top of 3rd extensible member (131) is rotatably connected with the second insulating bar fixture (132).
7. insulating bar auxiliary device according to claim 6, which is characterized in that the 3rd extensible member (131) is logical
The 4th universal bearing (14) is crossed with the second insulating bar fixture (132) to be connected.
8. insulating bar auxiliary device according to claim 6, which is characterized in that the 3rd extensible member (131) is
Electric hydaulic assister bar.
9. insulating bar auxiliary device according to claim 6, which is characterized in that the 3rd extensible member (131) is logical
Rope retaining ring (15) is crossed with the shaft tower tower material to be connected.
10. insulating bar auxiliary device according to any one of claim 1 to 4, which is characterized in that described first stretches
Contracting part (11) and second extensible member (12) are insulated pipes used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339605.3A CN108123400A (en) | 2017-12-14 | 2017-12-14 | Insulating bar auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711339605.3A CN108123400A (en) | 2017-12-14 | 2017-12-14 | Insulating bar auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108123400A true CN108123400A (en) | 2018-06-05 |
Family
ID=62229985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711339605.3A Pending CN108123400A (en) | 2017-12-14 | 2017-12-14 | Insulating bar auxiliary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108123400A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736046A (en) * | 2020-06-29 | 2020-10-02 | 中国南方电网公司超高压输电公司柳州局 | Insulator zero value intellectual detection system auxiliary device |
| CN112134210A (en) * | 2020-09-22 | 2020-12-25 | 国网冀北电力有限公司检修分公司 | Insulating operation platform |
| CN112761407A (en) * | 2020-12-30 | 2021-05-07 | 国网山东省电力公司沂源县供电公司 | Power supply line cross arm suspension frame |
| CN113451975A (en) * | 2021-05-24 | 2021-09-28 | 国网山东省电力公司淄博供电公司 | Multifunctional 10kV live-line work electric insulating cross arm and work method |
| CN113675014A (en) * | 2021-07-09 | 2021-11-19 | 广西电网有限责任公司北海供电局 | Make a gram section of thick bamboo installation dismounting device |
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| CN103401177A (en) * | 2013-07-11 | 2013-11-20 | 国家电网公司 | Method for replacing vibration damper |
| CN104868399A (en) * | 2015-06-11 | 2015-08-26 | 国网山西省电力公司临汾供电公司 | Universal support of insulated operating bar |
| JP2016082829A (en) * | 2014-10-22 | 2016-05-16 | 中国電力株式会社 | Insulation sheet pressing member, and method for mounting insulation sheet in charging part |
| CN205489273U (en) * | 2016-02-29 | 2016-08-17 | 国网山东省电力公司莒南县供电公司 | Novel earth connection hangs handling frame |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401177A (en) * | 2013-07-11 | 2013-11-20 | 国家电网公司 | Method for replacing vibration damper |
| JP2016082829A (en) * | 2014-10-22 | 2016-05-16 | 中国電力株式会社 | Insulation sheet pressing member, and method for mounting insulation sheet in charging part |
| CN104868399A (en) * | 2015-06-11 | 2015-08-26 | 国网山西省电力公司临汾供电公司 | Universal support of insulated operating bar |
| CN205489273U (en) * | 2016-02-29 | 2016-08-17 | 国网山东省电力公司莒南县供电公司 | Novel earth connection hangs handling frame |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736046A (en) * | 2020-06-29 | 2020-10-02 | 中国南方电网公司超高压输电公司柳州局 | Insulator zero value intellectual detection system auxiliary device |
| CN112134210A (en) * | 2020-09-22 | 2020-12-25 | 国网冀北电力有限公司检修分公司 | Insulating operation platform |
| CN112761407A (en) * | 2020-12-30 | 2021-05-07 | 国网山东省电力公司沂源县供电公司 | Power supply line cross arm suspension frame |
| CN113451975A (en) * | 2021-05-24 | 2021-09-28 | 国网山东省电力公司淄博供电公司 | Multifunctional 10kV live-line work electric insulating cross arm and work method |
| CN113675014A (en) * | 2021-07-09 | 2021-11-19 | 广西电网有限责任公司北海供电局 | Make a gram section of thick bamboo installation dismounting device |
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Address after: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Address before: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant before: State Grid Corporation of China Applicant before: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. |
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Effective date of registration: 20180823 Address after: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant after: STATE GRID CORPORATION OF CHINA Applicant after: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. Applicant after: STATE GRID SHANDONG ELECTRIC POWER Co. Address before: 100031 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Applicant before: State Grid Corporation of China Applicant before: CHINA ELECTRIC POWER RESEARCH INSTITUTE Co.,Ltd. |
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Application publication date: 20180605 |