CN110159049A - A kind of Y type tower - Google Patents
A kind of Y type tower Download PDFInfo
- Publication number
- CN110159049A CN110159049A CN201910344969.3A CN201910344969A CN110159049A CN 110159049 A CN110159049 A CN 110159049A CN 201910344969 A CN201910344969 A CN 201910344969A CN 110159049 A CN110159049 A CN 110159049A
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- CN
- China
- Prior art keywords
- tower
- type
- arm
- insulator
- tower body
- 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
Links
- 239000012212 insulator Substances 0.000 claims abstract description 70
- 150000001875 compounds Chemical class 0.000 claims abstract description 40
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 11
- 239000010931 gold Substances 0.000 claims description 11
- 229910052737 gold Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 13
- 239000000725 suspension Substances 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920006231 aramid fiber Polymers 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- GHYOCDFICYLMRF-UTIIJYGPSA-N (2S,3R)-N-[(2S)-3-(cyclopenten-1-yl)-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-hydroxy-3-(4-methoxyphenyl)-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide Chemical compound C1(=CCCC1)C[C@@H](C(=O)[C@@]1(OC1)C)NC([C@H]([C@@H](C1=CC=C(C=C1)OC)O)NC([C@H](C)NC(CN1CCOCC1)=O)=O)=O GHYOCDFICYLMRF-UTIIJYGPSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229940125797 compound 12 Drugs 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/085—Details of flanges for tubular masts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
This application discloses a kind of Y type tower, including Y type shaft tower tower body, Y type shaft tower tower body includes the tower bar being vertically arranged and the branch type tower head that is connected at the top of tower bar；The compound cross-arm of several groups is symmetrically disposed on Y type shaft tower tower body, and every group of compound cross-arm is equipped at least one apex angle, for mounting conducting wire.Since Y type shaft tower tower body is symmetrical structure, tower body asymmetry stress is reduced.Meanwhile compound cross-arm, from heavy and light, high mechanical properties, dielectric strength is good, can effectively reduce tower body material weight, compresses line corridor, economizes the land resource.In addition, since compound cross-arm itself has good insulation performance, the safe insulation required distance of conducting wire Yu Y type shaft tower tower body can be met, therefore it can cancel the setting of suspension insulator, in the case where meeting same conducting wire distance to the ground, the problem of reducing Y type shaft tower tower body height, and avoiding the windage yaw discharge that suspension insulator is generated by wind pendulum.
Description
Technical field
This application involves transmission of electricity insulator arrangement technical fields, more particularly to a kind of Y type tower.
Background technique
In field of electrical equipment, cross-arm used for transmission line is the important matched structural of single-pole tower, is used to support conducting wire
Deng, and be allowed to keep certain safe distance by regulation.Currently used single-pole tower is usually all-steel shaft tower or concrete
The shaft tower of shaft, steel cross-arm.
Conventional steel pipe shaft tower is "upper" font structure, and it is wide that there are power transmission line corridors, the high problem of tower.And shaft tower is not
Symmetrical structure, stress is inconsistent, to meet load force, causes shaft tower main material more using material.Shaft tower connect use with conducting wire
Suspension insulator can generate conducting wire dancing under wind effect, be easy to happen windage yaw discharge problem.
Summary of the invention
The application provides a kind of Y type tower, be able to solve conventional steel pipe shaft tower line corridor is wide, tower weight, consumptive material mostly and easily
The problem of windage yaw discharge.
In order to solve the above technical problems, the technical solution that the application uses is to provide a kind of Y type tower, comprising: Y type bar
Tower tower body, the Y type shaft tower tower body include the tower bar being vertically arranged and the branch type tower head that is connected at the top of tower bar；Several groups are multiple
Cross-arm is closed, is symmetrically disposed on the Y type shaft tower tower body, compound cross-arm described in every group is equipped at least one apex angle, for hanging
Connect conducting wire.
Further, compound cross-arm described in every group includes support insulator and the first oblique pull insulator；The post insulator
Sub- horizontal connection is in the Y type shaft tower tower body；Described first oblique pull insulator one end is connected to the support insulator far from institute
It states Y type shaft tower tower body one end and forms the apex angle, the other end is connected to the branch type tower head.
Further, the support insulator is connected at the tie point of the tower bar and the branch type tower head.
Further, the branch type tower head includes two symmetrically set tower head bar, and the tower head bar is fold-line-shaped, institute
State the first oblique pull insulator the other end be connected to fold-line-shaped the tower head bar corner.
Further, the other end of the first oblique pull insulator is connected to the top of the branch type tower head.
Further, the first oblique pull insulator includes metal segments interconnected and insulating segment, and the metal segments connect
It is connected to the top of the branch type tower head, the insulating segment is connected to the support insulator.
Further, two tops of the branch type tower head are connected separately with a second oblique pull insulation being oppositely arranged
Son, two the second oblique pull insulators are connected with each other by connection gold utensil, and the connection gold utensil is for mounting conducting wire.
Further, the connection gold utensil is one of link, hanging plate, adjustment plate.
Further, the compound cross-arm is provided with two groups, and compound cross-arm described in two groups is respectively arranged at the Y type bar
The two sides of tower tower body, compound cross-arm described in two groups and the branch type tower head are in same plane.
Further, the Y type shaft tower tower body is steel pipe tower, and ring flange, the pillar is fixedly installed in the tower bar
Insulator is fixedly connected with the ring flange.
The beneficial effect of the application is: it is in contrast to the prior art, since Y type shaft tower tower body is symmetrical structure,
Reduce tower body asymmetry stress.Meanwhile compound cross-arm, from heavy and light, high mechanical properties, dielectric strength is good, it will using compound cross-arm
Conducting wire is connect with Y type shaft tower tower body, can effectively reduce tower body material weight, is compressed line corridor, is economized the land resource.Separately
Outside, since compound cross-arm itself has good insulation performance, the safe insulation distance that can meet conducting wire and Y type shaft tower tower body is wanted
It asks, the setting that therefore can also cancel suspension insulator reduces Y type bar in the case where meeting same conducting wire distance to the ground
Tower tower body height, and avoid suspension insulator because wind pendulum due to generate windage yaw discharge the problem of.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the overall structure diagram of an embodiment of the Y type tower of the application；
Fig. 2 is the partial structural diagram of another embodiment of the Y type tower of the application；
Fig. 3 is the partial structural diagram of the another embodiment of the Y type tower of the application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, those of ordinary skill in the art are obtained every other under the premise of not making creative labor
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, Fig. 1 is the overall structure diagram of an embodiment of the Y type tower of the application.
As shown in Figure 1, the Y type tower 01 of one embodiment of the application includes Y type shaft tower tower body 11 and the compound cross-arm 12 of several groups.
Y type shaft tower tower body 11 includes the tower bar 111 being vertically arranged and the branch type tower head 112 for being connected to 111 top of tower bar；Compound cross-arm
12 are symmetrically disposed on Y type shaft tower tower body 11, and every group of compound cross-arm 12 is equipped at least one apex angle, for mounting conducting wire.By
It is symmetrical structure in Y type shaft tower tower body 11, reduces tower body asymmetry stress, so as to reduce tower body material weight.It is compound
Cross-arm 12 is from heavy and light, and high mechanical properties, dielectric strength is good, is connect conducting wire with Y type shaft tower tower body 11 using compound cross-arm 12,
Tower body material weight can be effectively reduced, line corridor is compressed, economizes the land resource.In addition, since compound cross-arm 12 has itself
There is good insulation performance, the safe insulation required distance of conducting wire Yu Y type shaft tower tower body 11 can be met, therefore pendency can be cancelled
The setting of insulator reduces 11 height of Y type shaft tower tower body, and avoid in the case where meeting same conducting wire distance to the ground
The problem of windage yaw discharge that suspension insulator is generated because wind is put.
In one embodiment, as shown in Figure 1, the vertex of every group of compound cross-arm 12 directly passes through compound 12 end of cross-arm
Metal flange 13 mounts conducting wire.Metal flange 13 can mount conducting wire after connecting end hardware string or suspension clamp.At other
In embodiment, the vertex of every group of compound cross-arm 12 can also be using other connection types such as template connection, the connections of cross bolt
The hanging wire fitting of other common forms is connected for mounting conducting wire.In one embodiment, as shown in Figure 1, Y type shaft tower tower body 11 is
Steel pipe tower, compound cross-arm 12 are made of composite material.Specifically, compound cross-arm 12 includes internally positioned insulator and cladding
In the rubber full skirt outside insulator.Specifically, insulator can be insulation tube or insulation mandrel.Insulation tube can be glass fibers
The molding glass reinforced plastic pipe of epoxy resin-impregnated wound and solidified is tieed up, the molding of aramid fiber epoxy resin-impregnated wound and solidified is also possible to
The fine pipe of virtue；Insulation mandrel can be the solid mandrel of glass fibre or aramid fiber epoxy resin-impregnated winding pultrusion
Or hollow pultrusion pipe, rubber full skirt can be made of high-temperature silicon disulfide rubber, can also use the rubber material of other forms
Material is made.In other embodiments, compound cross-arm 12 can also be other composite materials, be not construed as limiting herein.
In one embodiment, as shown in Figure 1, every group of compound cross-arm 12 includes that support insulator 121 and the first oblique pull insulate
Son 122, for 121 horizontal connection of support insulator in Y type shaft tower tower body 11, it is exhausted that 122 one end of the first oblique pull insulator is connected to pillar
For edge 121 far from 11 one end of Y type shaft tower tower body to form apex angle, the other end is connected to branch type tower head 112.Support insulator
121 undertake the effect of electric insulation and mechanical support, and the first oblique pull insulator 122 carries out oblique pull connection to support insulator 121,
121 end of support insulator is offset because suspension conducting wire generates downward pulling force.Specifically, in the present embodiment, support insulator 121
Both ends be equipped with metal flange 13,122 end of the first oblique pull insulator is equipped with U-shaped fitting, is arranged on metal flange 13 and connects
Fishplate bar is fixedly connected after setting connecting hole is corresponding with the connecting hole on U-shaped fitting on connecting plate by bolt and nut.It is horizontal
It is connected to support insulator 121 of the support insulator 121 in contrast to non-aqueous flushconnection of Y type shaft tower tower body 11, in post insulator
In the case that sub 121 length are certain, there is longer safe insulation distance, i.e., in the feelings for needing to guarantee certain safe insulation distance
Under condition, support insulator 121 connected horizontally can save material to a certain extent.Certainly, the application is not limited to this, at other
Embodiment in, every group of compound cross-arm 12 can also only include support insulator 121, and support insulator 121 is horizontally disposed.
Further, as shown in Figure 1, compound cross-arm 12 is provided with two groups, two groups of compound cross-arms 12 are respectively arranged at Y type bar
The two sides of tower tower body 11, two groups of compound cross-arms 12 and branch type tower head 112 are in the same plane.To the first oblique pull insulator
122 can shorten length, to save material, save the cost.In other examples, compound cross-arm 12 is also equipped with four groups or six
Group is successively symmetricly set on the two sides of Y type shaft tower tower body 11.
Further, as shown in Figure 1, support insulator 121 is connected to the tie point of tower bar 111 and branch type tower head 112,
To in the case where compressing width of corridor, it is ensured that maximum conducting wire distance to the ground.Specifically, method is provided in tower bar 111
Blue disk is fixedly connected after corresponding with the flange 13 of 121 end of support insulator.It specifically can be using welding, splicing, bolt fastening
The common connection types such as connection.
Further, as shown in Figure 1, the other end of the first oblique pull insulator 122 is connected to the top of branch type tower head 112
End, so that the first oblique pull insulator 122, which can guarantee, has enough safe insulation distances, and branch type tower with branch type tower head 112
First 112 top end is more convenient the installation of the first oblique pull insulator 122 and fixes, and is not easy to slide.Further, the first oblique pull insulate
The connection vertically of son 122.
In another embodiment, referring to Fig. 2, Fig. 2 is the partial structurtes signal of another embodiment of the Y type tower of the application
Figure.In the present embodiment, the first oblique pull insulator 222 includes metal segments 2221 interconnected and insulating segment 2222, metal segments
2221 are connected to the top of branch type tower head 212, and insulating segment 2222 is connected to support insulator 221 far from Y type shaft tower tower body
One end, specifically, insulating segment 2222 are connected on the flange 23 of 221 end of support insulator.When the first oblique pull insulator 222 with
Have between branch type tower head 212 enough safe insulations apart from when, can be by the first oblique pull insulator 222 and branch type tower head 212
The partial sector being connected directly uses metalwork alternative composite insulating materials, thus save the cost.
In another embodiment, referring to Fig. 3, Fig. 3 is the partial structurtes signal of the another embodiment of the Y type tower of the application
Figure.In the present embodiment, branch type tower head 312 includes two symmetrically set tower head bar 3121, and tower head bar 3121 is fold-line-shaped, the
One oblique pull insulator 322 is connected to the corner of the tower head bar 3121 of fold-line-shaped.In the case where meeting safe insulation distance, the
The corner that one oblique pull insulator 322 is connected to tower head bar 3121 can shorten its own length, to save material, save at
This.And compared to the linear part of tower head bar 3121,3121 corner of tower head bar facilitate the first oblique pull insulator 322 installation and
It is fixed, it is not easy to slide.
With continued reference to Fig. 1, in one embodiment, two tops of branch type tower head 112 are connected separately with one and are oppositely arranged
The second oblique pull insulator 14.Specifically, one end of two the second oblique pull insulators 14 is connected to branch type tower head 112
The other end on two tops, two the second oblique pull insulators 14 is connected with each other by connection gold utensil 15, and connection gold utensil 15 is for hanging
Connect conducting wire.In the present embodiment, connection gold utensil 15 uses hanging plate, in other embodiments, can also be using link, adjustment plate etc.
Other common connection gold utensil structures are not construed as limiting herein.After the connection end hardware string of connection gold utensil 15 or suspension clamp i.e.
Conducting wire or connection gold utensil 15 itself directly mounting conducting wire can be mounted.
In conclusion compound cross-arm 12 is set by using Y type shaft tower tower body 11, and on Y type shaft tower tower body 11, it is compound
Cross-arm 12 is equipped with apex angle for mounting conducting wire.Due to Y type shaft tower tower body 11 be symmetrical structure, reduce tower body asymmetry by
Power.Meanwhile compound cross-arm 12, from heavy and light, high mechanical properties, dielectric strength is good, using compound cross-arm 12 by conducting wire and Y type bar
Tower tower body 11 connects, and can effectively reduce tower body material weight, compresses line corridor, economizes the land resource.In addition, due to compound
Cross-arm 12 itself has good insulation performance, can meet the safe insulation required distance of conducting wire Yu Y type shaft tower tower body 11, therefore
It is high to have saved Y type shaft tower tower body 11 in the case where meeting same conducting wire distance to the ground for the setting that suspension insulator can be cancelled
The problem of spending, and avoiding the windage yaw discharge that suspension insulator is generated by wind pendulum.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the patents of the application, all to utilize this
Equivalent structure made by application specification and accompanying drawing content or principle of equal effects transformation, it is relevant to be applied directly or indirectly in other
Technical field similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of Y type tower characterized by comprising
Y type shaft tower tower body, the Y type shaft tower tower body include the tower bar being vertically arranged and the branch type tower that is connected at the top of tower bar
Head；
The compound cross-arm of several groups is symmetrically disposed on the Y type shaft tower tower body, and compound cross-arm described in every group is equipped at least one top
Angle, for mounting conducting wire.
2. Y type tower as described in claim 1, which is characterized in that compound cross-arm described in every group includes support insulator and first
Oblique pull insulator；
The support insulator horizontal connection is in the Y type shaft tower tower body；
Described first oblique pull insulator one end be connected to the support insulator formed far from Y type shaft tower tower body one end it is described
Apex angle, the other end are connected to the branch type tower head.
3. Y type tower as claimed in claim 2, which is characterized in that the support insulator is connected to the tower bar and described point
At the tie point of forked type tower head.
4. Y type tower as claimed in claim 2, which is characterized in that the branch type tower head includes two symmetrically set tower head
Bar, the tower head bar are fold-line-shaped, and the other end of the first oblique pull insulator is connected to the tower head bar of fold-line-shaped
Corner.
5. Y type tower as claimed in claim 2, which is characterized in that the other end of the first oblique pull insulator is connected to
The top of the branch type tower head.
6. Y type tower as claimed in claim 5, which is characterized in that the first oblique pull insulator includes metal interconnected
Section and insulating segment, the metal segments are connected to the top of the branch type tower head, and the insulating segment is connected to the post insulator
Son.
7. Y type tower as described in claim 1, which is characterized in that two tops of the branch type tower head are connected separately with one
The second oblique pull insulator being oppositely arranged, two the second oblique pull insulators are connected with each other by connection gold utensil, the connection
Fitting is for mounting conducting wire.
8. Y type tower as claimed in claim 7, which is characterized in that the connection gold utensil is link, hanging plate, one in adjustment plate
Kind.
9. Y type tower as described in claim 1, which is characterized in that the compound cross-arm is provided with two groups, and compound described in two groups
Cross-arm is respectively arranged at the two sides of the Y type shaft tower tower body, compound cross-arm described in two groups and the branch type tower head same flat
Face.
10. Y type tower as claimed in claim 2, which is characterized in that the Y type shaft tower tower body is steel pipe tower, in the tower bar
Ring flange is fixedly installed, the support insulator is fixedly connected with the ring flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344969.3A CN110159049A (en) | 2019-04-26 | 2019-04-26 | A kind of Y type tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910344969.3A CN110159049A (en) | 2019-04-26 | 2019-04-26 | A kind of Y type tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110159049A true CN110159049A (en) | 2019-08-23 |
Family
ID=67640120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910344969.3A Pending CN110159049A (en) | 2019-04-26 | 2019-04-26 | A kind of Y type tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110159049A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518531A (en) * | 2019-09-24 | 2019-11-29 | 国网新疆电力有限公司伊犁供电公司 | A kind of inclined flashover flexibility damping unit of power transmission line wind and implementation method |
| CN113006585A (en) * | 2021-04-30 | 2021-06-22 | 华北电力大学（保定） | Composite cross arm structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539123U (en) * | 2009-09-02 | 2010-08-04 | 南通市神马电力科技有限公司 | Inverted F-shaped insulation tower with slant pull rods used in power grid transmission lines |
| CN202131820U (en) * | 2011-06-10 | 2012-02-01 | 潍坊海莱特锥形钢管有限公司 | Y-shaped steel tube iron tower |
| CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN210508614U (en) * | 2019-04-26 | 2020-05-12 | 江苏神马电力股份有限公司 | Y-shaped tower |
-
2019
- 2019-04-26 CN CN201910344969.3A patent/CN110159049A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201539123U (en) * | 2009-09-02 | 2010-08-04 | 南通市神马电力科技有限公司 | Inverted F-shaped insulation tower with slant pull rods used in power grid transmission lines |
| CN202131820U (en) * | 2011-06-10 | 2012-02-01 | 潍坊海莱特锥形钢管有限公司 | Y-shaped steel tube iron tower |
| CN107587775A (en) * | 2017-10-18 | 2018-01-16 | 江苏神马电力股份有限公司 | Power transmission tower |
| CN210508614U (en) * | 2019-04-26 | 2020-05-12 | 江苏神马电力股份有限公司 | Y-shaped tower |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518531A (en) * | 2019-09-24 | 2019-11-29 | 国网新疆电力有限公司伊犁供电公司 | A kind of inclined flashover flexibility damping unit of power transmission line wind and implementation method |
| CN113006585A (en) * | 2021-04-30 | 2021-06-22 | 华北电力大学（保定） | Composite cross arm structure |
| CN113006585B (en) * | 2021-04-30 | 2022-05-06 | 华北电力大学（保定） | Composite cross arm structure |
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Effective date of registration: 20201201 Address after: 501, building g, Hongqiao Green Valley, 69 Yonghong Road, Minhang District, Shanghai, 201100 Applicant after: Shanghai Shenma Electric Power Engineering Co.,Ltd. Address before: 226017 Jiangsu city of Nantong province Nantong economic and Technological Development Zone Science and Technology Industrial Park of Su Tong Jiang Cheng Road No. 1088 Jiang Park Building 3, room 1467, R & D Applicant before: JIANGSU SHENMA ELECTRIC Co.,Ltd. |