CN203603576U - Alternating current extra-high voltage straight line steel angle tower ground wire support node structure - Google Patents
Alternating current extra-high voltage straight line steel angle tower ground wire support node structure Download PDFInfo
- Publication number
- CN203603576U CN203603576U CN201320813162.8U CN201320813162U CN203603576U CN 203603576 U CN203603576 U CN 203603576U CN 201320813162 U CN201320813162 U CN 201320813162U CN 203603576 U CN203603576 U CN 203603576U
- Authority
- CN
- China
- Prior art keywords
- angle steel
- limb
- plate
- main material
- wire support
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
本实用新型公开了一种交流特高压直线角钢塔地线支架节点结构，采用节点板和火曲板共同将第一角钢至第六角钢和主材角钢之间相互连接。第二角钢的第一肢采用通过节点板与主材角钢的一肢螺栓连接；另外，第二角钢的第二肢与火曲板连接，且火曲板与第五角钢、第六角钢均螺栓连接，增加了地线支架节点的角钢之间的紧密度，提高了地线支架节点的刚度，有利于地线支架的抗弯、扭作用。并且，第五角钢的第一肢延伸入主材角钢的第二肢内部，同时与主材角钢的第二肢、节点板的第二连接板和第四角钢的第一肢螺栓连接，避免了第五角钢与主材角钢之间的负头过大而不利于轴力的传递的情况。
The utility model discloses an AC UHV linear angle steel tower ground wire support node structure, which adopts a node plate and a fire curved plate to jointly connect the first angle steel to the sixth angle steel and the main material angle steel. The first leg of the second angle steel is connected with the one-leg bolt of the main material angle steel through the gusset plate; in addition, the second leg of the second angle steel is connected with the fire curved plate, and the fire curved plate is connected with the fifth angle steel and the sixth angle steel The bolt connection increases the tightness between the angle steels of the ground wire support nodes, improves the rigidity of the ground wire support nodes, and is beneficial to the bending and torsion resistance of the ground wire support. Moreover, the first leg of the fifth angle steel extends into the second leg of the main material angle steel, and is connected with the second leg of the main material angle steel, the second connecting plate of the gusset plate, and the first leg of the fourth angle steel by bolts, avoiding The negative head between the fifth angle steel and the main material angle steel is too large, which is not conducive to the transmission of axial force.
Description
Technical field
The utility model relates to iron tower of power transmission line technical field, more particularly, relates to a kind of AC extra high voltage rectilinear angle head tower earth wire support node structure.
Background technology
Along with the raising of electric pressure, electric power pylon structure design is had higher requirement, such as large load, high voltage etc.Earth wire support place is owing to being subject to long-term wind action, and existence bending effect to a certain extent under installation, broken string operating mode.
In conjunction with (in broken circle) shown in Fig. 1 a-1c, be a kind of structural representation of existing AC extra high voltage rectilinear angle head tower earth wire support node structure, comprise main material angle steel 7 and the first angle steel 1-hexagonal steel 6.Fig. 1 a be the acropodium of main material angle steel to the structural representation of the bearing of trend of an one limb, a limb of the first angle steel 1, the second angle steel 2 and triangular steel 3 all adopts a bolt to be directly fixedly connected with a limb of main material angle steel 7; Fig. 1 b is that the acropodium of main material angle steel is to the structural representation of its another limb bearing of trend, between the 4th angle steel 4, the 5th angle steel 5 and main material angle steel 7, adopt gusset plate 11 to connect, wherein, gusset plate 11 is fixedly connected with another limb of main material angle steel 7, the end of one limb of the 4th angle steel 4 adopts another limb of a bolt and main material angle steel 7 gusset plate 11 to be fixedly connected on middle, the 5th angle steel 5 is fixedly connected with gusset plate 11, but there is no directly and be connected between the 5th angle steel 5 and another limb of main material angle steel 7; Fig. 1 c is the structural representation between main material angle steel two limbs, and a limb of hexagonal steel 6 adopts a bolt to be connected with another limb of the 5th angle steel 5.
Existing AC extra high voltage rectilinear angle head tower earth wire support node structure, between the 5th angle steel and main material angle steel negative is excessive, be unfavorable for the transmission of axle power, and the second angle steel only adopts a bolt to be connected with main material angle steel, it connects comparatively weak, easily occur that bolt cuts off phenomenon, and existing earth wire support node connects not tight, rigidity a little less than, be unfavorable for bending resistance, the torsion effect of earth wire support.
Utility model content
In view of this, the utility model provides a kind of AC extra high voltage rectilinear angle head tower earth wire support node structure, and its close structure, has increased the rigidity of earth wire support node, and avoided between angle steel negative excessive, the transmission capacity of axle power is strong.
For achieving the above object, the utility model provides following technical scheme:
A kind of AC extra high voltage rectilinear angle head tower earth wire support node structure, comprise main material angle steel, and first angle steel, the second angle steel, triangular steel, the 4th angle steel, the 5th angle steel and hexagonal steel, also comprise: gusset plate and fiery bent plate, described gusset plate and fiery bent plate include the first junction plate and the second junction plate, and vertical the second junction plate of the first junction plate of described gusset plate; The first limb of described main material angle steel and the second limb respectively be fixedly connected with corresponding with the second junction plate of the first junction plate of described gusset plate, and between the first limb and the bearing of trend of the second limb, comprise described the second angle steel, the 5th angle steel and hexagonal steel with the acropodium of described main material angle steel;
Wherein, be positioned at the acropodium of described main material angle steel on the bearing of trend of the first limb, the first limb of described the first angle steel, the second angle steel and triangular steel is connected with the first junction plate bolt of described gusset plate respectively;
Be positioned at the acropodium of described main material angle steel on the bearing of trend of the second limb, the first limb of described the 4th angle steel and the 5th angle steel is connected with the second junction plate of described gusset plate and the second limb bolt of main material angle steel simultaneously, and described the 4th angle steel is connected with the second junction plate of described gusset plate and the second limb bolt of main material angle steel with the end that the first limb of the 5th angle steel is positioned at described earth wire support node simultaneously;
Be positioned at the acropodium of described the second angle steel on the bearing of trend of the second limb, the second limb of described the second angle steel is connected with the first junction plate bolt of described fiery bent plate;
Be positioned at the acropodium of described the 5th angle steel on the bearing of trend of the second limb, the second limb of described the 5th angle steel and described hexagonal steel is connected with the second junction plate bolt of described fiery bent plate.
Preferably, be positioned at the acropodium of described main material angle steel on the bearing of trend of the first limb, described the second angle steel adopts 2 bolts to be connected with the first junction plate of described gusset plate.
Preferably, the acropodium of described the second angle steel is on the bearing of trend of the second limb, and the second limb of described the second angle steel adopts 2 bolts to be connected with the first junction plate of described fiery bent plate.
Preferably, be positioned at the acropodium of described the 5th angle steel on the bearing of trend of the second limb, the second limb of described the 5th angle steel adopts 3 bolts to be connected with the second junction plate of described fiery bent plate, and the second limb of described hexagonal steel adopts 1 bolt to be connected with the second junction plate of described fiery bent plate.
Preferably, described the 4th angle steel adopts 1 bolt to be connected with the second junction plate of described gusset plate and the second limb of main material angle steel with the end that the first limb of the 5th angle steel is positioned at described earth wire support node simultaneously.
Compared with prior art, technical scheme provided by the utility model has the following advantages:
AC extra high voltage rectilinear angle head tower earth wire support node structure provided by the utility model, adopt gusset plate and fiery bent plate jointly will between the first angle steel-hexagonal steel and main material angle steel, to interconnect, improve the rigidity of earth wire support node, improved the safety of earth wire support node.The first limb of the second angle steel adopts and is connected with a limb bolt of main material angle steel by gusset plate, has increased the length of junction between the two, be conducive to the first limb of the second angle steel to be connected with this limb of main material angle steel more firm, tight ness rating between the two of raising; In addition, the second limb of the second angle steel is connected with fiery bent plate, and fiery bent plate is connected with the 5th angle steel, the equal bolt of hexagonal steel, has further increased the tight ness rating between the angle steel of earth wire support node, improve the rigidity of earth wire support node, be conducive to bending resistance, the torsion effect of earth wire support.
And, the first limb of the 5th angle steel extends the second limb inside of becoming owner of material angle steel, is connected with the second limb, the second junction plate of gusset plate and first limb bolt of the 4th angle steel of main material angle steel simultaneously, has avoided bearing excessive and be unfavorable for the situation of the transmission of axle power between the 5th angle steel and main material angle steel.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 a-1c is the structural representation on the different directions of existing a kind of AC extra high voltage rectilinear angle head tower earth wire support node structure;
Fig. 2 a-2c is the structural representation on a kind of different directions of AC extra high voltage rectilinear angle head tower earth wire support node structure of the embodiment of the present application.
The specific embodiment
As described in background, existing AC extra high voltage rectilinear angle head tower earth wire support node structure, between the 5th angle steel and main material angle steel negative is excessive, be unfavorable for the transmission of axle power, and the second angle steel only adopts a bolt to be connected with main material angle steel, it connects comparatively weak, easily occur that bolt cuts off phenomenon, and existing earth wire support node connects not tight, rigidity a little less than, be unfavorable for bending resistance, the torsion effect of earth wire support.
Based on this, the utility model provides a kind of AC extra high voltage rectilinear angle head tower earth wire support node structure, and the problems referred to above that exist to overcome prior art, comprising:
Main material angle steel, and the first angle steel-hexagonal steel, described main material angle steel and the first angle steel-hexagonal steel are two limb angle steel, also comprise: gusset plate and fiery bent plate, described gusset plate and fiery bent plate include the first junction plate and the second junction plate, and vertical the second junction plate of the first junction plate of described gusset plate; The first limb of described main material angle steel and the second limb respectively be fixedly connected with corresponding with the second junction plate of the first junction plate of described gusset plate, and between the first limb and the bearing of trend of the second limb, comprise described the second angle steel, the 5th angle steel and hexagonal steel with the acropodium of described main material angle steel;
Wherein, be positioned at the acropodium of described main material angle steel on the bearing of trend of the first limb, the first limb of described the first angle steel, the second angle steel and triangular steel is connected with the first junction plate bolt of described gusset plate respectively;
Be positioned at the acropodium of described main material angle steel on the bearing of trend of the second limb, the first limb of described the 4th angle steel and the 5th angle steel is connected with the second junction plate of described gusset plate and the second limb of main material angle steel simultaneously, and described the 4th angle steel is connected with the second junction plate of described gusset plate and the second limb of main material angle steel with the end that the first limb of the 5th angle steel is positioned at described earth wire support node simultaneously;
Be positioned at the acropodium of described the second angle steel on the bearing of trend of the second limb, the second limb of described the second angle steel is connected with the first junction plate of described fiery bent plate;
Be positioned at the acropodium of described the 5th angle steel on the bearing of trend of the second limb, the second limb of described the 5th angle steel and described hexagonal steel is connected with the second junction plate bolt of described fiery bent plate.
AC extra high voltage rectilinear angle head tower earth wire support node structure provided by the utility model, adopt gusset plate and fiery bent plate jointly will between the first angle steel-hexagonal steel and main material angle steel, to interconnect, improve the rigidity of earth wire support node, improved the safety of earth wire support node.The first limb of the second angle steel adopts and is connected with a limb bolt of main material angle steel by gusset plate, has increased the length of junction between the two, be conducive to the first limb of the second angle steel to be connected with this limb of main material angle steel more firm, tight ness rating between the two of raising; In addition, the second limb of the second angle steel is connected with fiery bent plate, and fiery bent plate is connected with the 5th angle steel, the equal bolt of hexagonal steel, has further increased the tight ness rating between the angle steel of earth wire support node, improve the rigidity of earth wire support node, be conducive to bending resistance, the torsion effect of earth wire support.
And, the first limb of the 5th angle steel extends the second limb inside of becoming owner of material angle steel, is connected with the second limb, the second junction plate of gusset plate and first limb bolt of the 4th angle steel of main material angle steel simultaneously, has avoided bearing excessive and be unfavorable for the situation of the transmission of axle power between the 5th angle steel and main material angle steel.
Be more than core concept of the present utility model, for above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present utility model be described in detail.
A lot of details are set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, in the time that the utility model embodiment is described in detail in detail; for ease of explanation; represent that the sectional drawing of device architecture can disobey general ratio and do local amplification, and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition in actual fabrication, should comprise, the three-dimensional space of length, width and the degree of depth.
The present embodiment provides a kind of AC extra high voltage rectilinear angle head tower earth wire support node structure, in conjunction with (broken circle in) shown in Fig. 2 a-2c, and the structural representation of a kind of AC extra high voltage rectilinear angle head tower earth wire support node structure providing for the embodiment of the present application.
Wherein, AC extra high voltage rectilinear angle head tower earth wire support node structure comprises: main material angle steel 27, and first angle steel 21, the second angle steel 22, triangular steel 23, the 4th angle steel 24, the 5th angle steel 25 and hexagonal steel 26, described main material angle steel 27 and the first angle steel 27 to hexagonal steel 26 are single limb angle steel, and the AC extra high voltage rectilinear angle head tower earth wire support node structure that the present embodiment provides also comprises: gusset plate 28 and fiery bent plate 29.
Described gusset plate 28 and fiery bent plate 29 include the first junction plate and the second junction plate, and vertical the second junction plate of the first junction plate of described gusset plate 28; The first limb of described main material angle steel 27 and the second limb respectively be fixedly connected with corresponding with the second junction plate of the first junction plate of described gusset plate 28, and the acropodium of described main material angle steel, between the first limb and the bearing of trend of the second limb, comprises described the second angle steel 22, the 5th angle steel 25 and hexagonal steel 26.
Shown in figure 2a, be that the acropodium of main material angle steel is to the structural representation of the bearing of trend of the first limb, be positioned at the acropodium of described main material angle steel 27 on the bearing of trend of the first limb, the first limb of described the first angle steel 21, the second angle steel 22 and triangular steel 23 is connected with the first junction plate bolt of described gusset plate 28 respectively.
Wherein, described in the present embodiment, the first limb of the first angle steel 21, the second angle steel 22 and triangular steel 23 all adopts bolt to be connected with the first junction plate bolt of gusset plate 28.Described the second angle steel 22 adopts 2 bolts to be connected with the first junction plate of described gusset plate 28, has increased the bonding strength between the second angle steel 22 and main material angle steel 21, has improved the overall rigidity of earth wire support node.
Shown in figure 2b, be that the acropodium of main material angle steel is to the structural representation of the bearing of trend of the second limb, be positioned at the acropodium of described main material angle steel 27 on the bearing of trend of the second limb, the first limb of described the 4th angle steel 24 and the 5th angle steel 25 is connected with the second junction plate of described gusset plate 28 and the second limb bolt of main material angle steel 27 simultaneously, and described the 4th angle steel 24 is connected with the second junction plate of described gusset plate 28 and the second limb bolt of main material angle steel 27 with the end that the first limb of the 5th angle steel 25 is positioned at described earth wire support node simultaneously.
Concrete, the end of the first limb of the end of the 4th angle steel 24 and the 5th angle steel 25 is connected in the second limb bolt of the second junction plate of gusset plate 28 and main material angle steel 27 between the end and the 5th angle steel 25 of the 4th angle steel 24.Described the 4th angle steel 24 adopts 1 bolt to be connected with the second junction plate of described gusset plate 28 and the second limb of main material angle steel 27 with the end that the first limb of the 5th angle steel 25 is positioned at described earth wire support node simultaneously.Rise along this bolt, the 5th angle steel 25 also adopts two bolts that the second junction plate bolt of the 5th angle steel 25 and gusset plate 28 is connected, and the 4th angle steel 24 also adopts a bolt that the second junction plate bolt of the 4th angle steel 24 and gusset plate 28 is connected.
Shown in figure 2c, be that the acropodium of main material angle steel is to the structural representation between the first limb and the second limb bearing of trend, be positioned at the acropodium of described the 5th angle steel 25 on the bearing of trend of the second limb, the second limb of described the 5th angle steel 25 and described hexagonal steel 26 is connected with the second junction plate bolt of described fiery bent plate 29.The present embodiment is preferred, and the second limb of described the 5th angle steel 25 adopts 3 bolts to be connected with the second junction plate of described fiery bent plate 29, and the second limb of described hexagonal steel 25 adopts 1 bolt to be connected with the second junction plate of described fiery bent plate 29.
Shown in Fig. 2 a-2c, be positioned at the acropodium of described the second angle steel 22 on the bearing of trend of the second limb, the second limb of described the second angle steel 22 is connected with the first junction plate bolt of described fiery bent plate 29, can find out that the second limb of described the second angle steel 22 and the first junction plate of described fiery bent plate 29 adopt 2 bolts to be connected with reference to figure 2c.
It should be noted that, in the embodiment of the present application, the quantity of the bolt between angle steel, between angle steel and gusset plate and between angle steel and fiery bent plate, need to design according to the size of the specification of actual angle steel, gusset plate and fiery bent plate, the present embodiment has only been to provide wherein a kind of mode, and concrete need to design according to actual conditions.
AC extra high voltage rectilinear angle head tower earth wire support node structure provided by the utility model, adopt gusset plate and fiery bent plate jointly will between the first angle steel-hexagonal steel and main material angle steel, to interconnect, improve the rigidity of earth wire support node, improved the safety of earth wire support node.The first limb of the second angle steel adopts and is connected with a limb bolt of main material angle steel by gusset plate, has increased the length of junction between the two, be conducive to the first limb of the second angle steel to be connected with this limb of main material angle steel more firm, tight ness rating between the two of raising; In addition, the second limb of the second angle steel is connected with fiery bent plate, and fiery bent plate is connected with the 5th angle steel, the equal bolt of hexagonal steel, has further increased the tight ness rating between the angle steel of earth wire support node, improve the rigidity of earth wire support node, be conducive to bending resistance, the torsion effect of earth wire support.
And, the first limb of the 5th angle steel extends the second limb inside of becoming owner of material angle steel, is connected with the second limb, the second junction plate of gusset plate and first limb bolt of the 4th angle steel of main material angle steel simultaneously, has avoided bearing excessive and be unfavorable for the situation of the transmission of axle power between the 5th angle steel and main material angle steel.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813162.8U CN203603576U (en) | 2013-11-26 | 2013-11-26 | Alternating current extra-high voltage straight line steel angle tower ground wire support node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320813162.8U CN203603576U (en) | 2013-11-26 | 2013-11-26 | Alternating current extra-high voltage straight line steel angle tower ground wire support node structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603576U true CN203603576U (en) | 2014-05-21 |
Family
ID=50716256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320813162.8U Expired - Lifetime CN203603576U (en) | 2013-11-26 | 2013-11-26 | Alternating current extra-high voltage straight line steel angle tower ground wire support node structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587038A (en) * | 2014-11-17 | 2016-05-18 | 国家电网公司 | Transition joint of steel part |
| CN110644841A (en) * | 2019-09-25 | 2020-01-03 | 国网山东省电力公司经济技术研究院 | Pole multidirectional installation general node is used with transmission tower to electric power and communication sharing |
-
2013
- 2013-11-26 CN CN201320813162.8U patent/CN203603576U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587038A (en) * | 2014-11-17 | 2016-05-18 | 国家电网公司 | Transition joint of steel part |
| CN105587038B (en) * | 2014-11-17 | 2018-03-30 | 国家电网公司 | A kind of steel part transition node |
| CN110644841A (en) * | 2019-09-25 | 2020-01-03 | 国网山东省电力公司经济技术研究院 | Pole multidirectional installation general node is used with transmission tower to electric power and communication sharing |
| CN110644841B (en) * | 2019-09-25 | 2021-06-29 | 国网山东省电力公司经济技术研究院 | A universal node for multi-directional installation of poles for power and communication shared transmission towers |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203631191U (en) | Y-shaped suspension string of power transmission line | |
| CN203603576U (en) | Alternating current extra-high voltage straight line steel angle tower ground wire support node structure | |
| CN202206066U (en) | Electric power live crossing frame | |
| CN203846844U (en) | Double-circuit line joint use coordinated transposition post tower | |
| CN202017379U (en) | Flange connection gradient change node for alternating current ultra-high voltage steel pipe tower | |
| CN205677342U (en) | A kind of cross-arm on electric pole | |
| CN203891539U (en) | D-shaped cross section composite sectional material applied to steel pylons | |
| CN103669969B (en) | A kind of alternating-current extra-high voltage rectilinear angle steel tower ground wire support pitch point structure | |
| CN203487856U (en) | Pole bottom structure | |
| CN201605865U (en) | Multi-edge steel tube tower | |
| CN202181741U (en) | Transmission tower head structure adopting insulating cross arm to connect diagonal main materials | |
| CN203660471U (en) | Tension-resistant clamp | |
| CN203603578U (en) | Extra-high-voltage double-loop tension support | |
| CN203499319U (en) | Power transmission line pipe tower | |
| CN206829754U (en) | 0 °~20 ° corner crossover towers of 500kV ac transmissions single loop | |
| CN206413377U (en) | Self-propelled paddy field ploughing device | |
| CN203553844U (en) | Compound-function special-shaped hoop | |
| CN202978159U (en) | Overhead bare conductor insulating sleeving | |
| CN103746325B (en) | A kind of power high-voltage line method of attachment | |
| CN205080856U (en) | Iron tower number plate fixing device | |
| CN204571444U (en) | A kind of transformer station combined type EHV transmission steel tube tower | |
| CN204166011U (en) | Isolated-phase enclosed bus short-circuit test conductor connect structure | |
| CN205160015U (en) | Support is laid with high tension cable to tunnel construction | |
| CN204012486U (en) | Wiring bar for a kind of cable duct of substation | |
| CN204899376U (en) | 330kV alternating current transmission 40's-60 two return circuits of X type angle tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140521 |
|
| CX01 | Expiry of patent term |