CN112160642B - Double-return pi-shaped connecting tower - Google Patents
Double-return pi-shaped connecting tower Download PDFInfo
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- CN112160642B CN112160642B CN202011005881.8A CN202011005881A CN112160642B CN 112160642 B CN112160642 B CN 112160642B CN 202011005881 A CN202011005881 A CN 202011005881A CN 112160642 B CN112160642 B CN 112160642B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 57
- 239000010959 steel Substances 0.000 claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000009194 climbing Effects 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000009466 transformation Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 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
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- 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
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Abstract
The invention discloses a double-return n-shaped connecting tower which comprises a multi-edge steel rod, a cable platform, a lead cross arm and a ground lead cross arm, wherein the cable platform is arranged on the upper side part of the multi-edge steel rod; and power transmission lines between the substations are erected on the wire cross arm, one power transmission line is directly connected with the first substation to the second substation, the other power transmission line is disconnected at the wire cross arm to form two lines, and the two lines II are connected into the second substation and the third substation. The invention shortens the construction time, reduces the power failure time, provides guarantee for the operation reliability of the power grid, reduces the maintenance time of the base tower (pole) from the aspect of operation and maintenance and reduces the investment from the aspect of economy. A good reference thought is provided for the complex conditions of small land blocks, difficult tower erection, multiple loops and the like in the existing urban transformation line transformation, and the occupied land can be reduced by erecting one less tower, the use amount of concrete steel materials can be reduced, and the energy consumption is reduced.
Description
Technical Field
The invention relates to a double-return pi-shaped connecting tower and belongs to the technical field of power distribution network construction engineering.
Background
Along with the urbanization development, the selection of the path in the overhead power transformation is difficult to add in the path survey, and particularly in the local transformation of the overhead line pole tower operated in the urban area, the addition of a new iron tower is not agreed by the urban planning department. The demand for electric quantity is rising day by day in society, and to the electric wire netting construction acceleration rate, electric wire netting steady operation puts forward higher requirement for we must solve pole setting tower position inadequately fast, electric power corridor narrow and small scheduling problem. Therefore, the distance between the intersection and the civil houses is very close, in order to solve the problem that less land is occupied by the in-type line, line designers go to a field investigation department for many times to coordinate with a planning department, but due to the expansion of the city, the planning department has strict examination and approval on a new power channel, and many complex problems are solved on the path as far as possible.
Generally, overhead electric wires are often used for electric power transmission at home and abroad. Overhead lines are generally hung on transmission line towers through insulators by bare conductors, so that the purpose of transmission is achieved.
An overhead transmission tower is a main supporting structure of an overhead transmission line, and most of the towers are steel pipes, towers or reinforced concrete. The overhead transmission tower can be divided into a corner tower, a straight line tower, a branch tower and the like according to different requirements. The design of the tower is very important in the design of the power transmission line, and the method mainly comprises basic pressure calculation, basic calculation, components and the like.
In controlling the corridor width, the wind deflection and the tower top size must be controlled. In practical application, the linear tower with the fixed hoisting point and the tension tower with the fixed jumper are effective measures for controlling wind deflection of the wire and the size of the tower head, so that the width of a line corridor can be effectively reduced, the safety of the power transmission line in the laying process can be effectively improved, and the effectiveness of the power transmission line in the operation process can be effectively improved.
Disclosure of Invention
The invention aims to provide a double-return pi-shaped joint tower which has the characteristics of small occupied area, multiple loops, multiple functions and convenience in operation and maintenance.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a double-return n-shaped connecting tower comprises a multi-edge steel rod, a cable platform arranged on the upper side part of the multi-edge steel rod, and a lead cross arm and a grounding wire cross arm which are respectively and fixedly connected to the cable platform;
and power transmission lines between the substations are erected on the wire cross arm, one power transmission line is directly connected with the first substation to the second substation, the other power transmission line is disconnected at the wire cross arm to form two lines, and the two lines II are connected into the second substation and the third substation.
As a further improvement of the present invention,
the multi-edge steel pole comprises a steel pipe pole and a regular polygon externally tangent and fixed on the outer circumference of the steel pipe pole, and the regular polygon comprises more than four edge plates.
As a further improvement of the present invention,
the steel pipe rod is a conical pipe rod, and the diameter of the top of the conical pipe rod is smaller than that of the bottom of the conical pipe rod.
As a further improvement of the present invention,
the lower side part of the multi-edge steel rod is fixedly provided with a ladder climbing pedal.
As a further improvement of the present invention,
the number of the cable platforms on the same plane is three, and the three cable platforms are fixedly connected to the multi-edge steel rod in a Y shape;
the three cable platforms are respectively and fixedly connected with a wire cross arm; the rear end of one of the cable platforms extends between the two cable platforms, and the grounding wire cross arm is fixed on the rear end of the cable platform.
As a further improvement of the present invention,
the multi-edge steel rod is fixedly connected end to end by three sections of steel pipe rods in a butt joint or a sleeve joint mode.
As a further improvement of the present invention,
the height of the steel pipe pole is 31.08m, and the taper of the steel pipe pole is 1/38.
As a further improvement of the present invention,
the regular polygon formed by the edge plates is a regular 12-edge shape.
As a further improvement of the present invention,
the bottom of many arriss steel pole is fixed subaerial, fixedly connected with root connecting plate between the lower part of many arriss steel pole and the ground, the height of root connecting plate is 500 mm.
As a further improvement of the present invention,
the multi-edge steel rod is made of steel Q3451.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the design of the invention shortens the construction time from the construction aspect, reduces the power failure time from the operation safety aspect, provides guarantee for the operation reliability of the power grid, reduces the maintenance time of the base tower (pole) from the operation maintenance aspect, and reduces the investment from the economic aspect. A good reference thought is provided for the complex conditions of small land blocks, difficult tower erection, multiple loops and the like in the transformation of the existing urban movement and transformation line, and the occupied land can be reduced by erecting one less tower, the use amount of concrete steel materials can be reduced, and energy is added for the green environmental protection of people.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a double-return pi-junction tower;
FIG. 2 is a schematic diagram of a top view of a 110kV rung;
FIG. 3 is a schematic top view of a multi-ribbed steel bar;
FIG. 4 is a schematic diagram of a conventional pi-insertion connection;
fig. 5 is a schematic wiring diagram of a double-return Π -type junction tower of the invention.
Wherein:
1 multi-edge steel pole, 2 cat ladder pedals, 3 cable platforms, 4 wire cross arms, 5 earth connection cross arms, 6 third transformer substation, 11 arris boards. Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in the figures 1-3 of the drawings,
a double-return pi-shaped connecting tower comprises a multi-edge steel rod 1, a cable platform 3 arranged on the upper side part of the multi-edge steel rod 1, and a lead cross arm 4 and a grounding wire cross arm 5 which are respectively and fixedly connected to the cable platform 3;
the transmission lines between the substations are erected on the lead cross arm 4, one transmission line is directly connected with the first substation to the second substation, the other transmission line is disconnected at the lead cross arm 4 to form two lines, and the two lines II are connected to the second substation and the third substation 6.
As a further concrete aspect of the present embodiment,
the multi-edge steel pole 1 comprises a steel pipe pole and a regular polygon externally tangent and fixed on the outer circumference of the steel pipe pole, and the regular polygon comprises more than four edge plates 11.
As a further concrete aspect of the present embodiment,
the steel pipe rod is a conical pipe rod, and the diameter of the top of the conical pipe rod is smaller than that of the bottom of the conical pipe rod.
As a further concrete aspect of the present embodiment,
the lower side part of the multi-edge steel rod 1 is fixedly provided with a ladder climbing pedal 2.
As a further concrete aspect of the present embodiment,
the number of the cable platforms 3 on the same plane is three, and the three cable platforms 3 are fixedly connected to the multi-edge steel rod 1 in a Y shape;
the three cable platforms 3 are respectively and fixedly connected with a wire cross arm 4; the rear end of one of the cable platforms 3 extends between the two cable platforms 3, and the ground wire cross arm 5 is fixed to the rear end of the cable platform 3.
As a further concrete aspect of the present embodiment,
the multi-edge steel rod 1 is fixedly connected end to end by three sections of steel pipe rods in a butt joint or a sleeve joint mode.
As a further concrete aspect of the present embodiment,
the height of the steel pipe pole is 31.08m, and the taper of the steel pipe pole is 1/38.
As a further concrete aspect of the present embodiment,
the regular polygon formed by the edge plates 11 is a regular 12-edge polygon.
As a further concrete aspect of the present embodiment,
the bottom of the multi-edge steel rod 1 is fixed on the ground, a root connecting plate is fixedly connected between the lower portion of the multi-edge steel rod 1 and the ground, and the height of the root connecting plate is 500 mm.
As a further concrete aspect of the present embodiment,
the multi-edge steel rod 1 is made of steel Q3451.
As shown in the figures 4-5 of the drawings,
the end a1 is a wire inlet end of a power transmission line of a first transformer substation, the end a2 is a wiring end of a third transformer substation, and the power transmission line a1-a2 is a direct power transmission line; and the end b is a wire inlet end of a power transmission line of a second transformer substation, the end c is a wire connecting end of a third transformer substation, the b-c power transmission line is disconnected at the wire cross arm 4 to form two lines, and the pi is connected to the second transformer substation and the third transformer substation 6.
In the construction engineering: the traditional pi-in mode needs to newly build a 2-base tower (rod), the occupied area is large, and the planning department is not easy to batch; the n-shaped connecting tower (rod) only needs to be additionally provided with 1 base or newly built near the original tower (rod), and the original old tower is dismantled, so that the occupied area is small, and the approval is easy.
Although the existing branch tower can meet the requirement of an n-type wiring mode, the existing branch tower is not as good as the existing branch tower in the aspects of special environment, no excessive occupied area and convenience in operation and maintenance.
The specific design parameters of the multi-edge steel rod 1 in the embodiment are as follows:
| tower type | Voltage class (kV) | Call height (m) | Allowable deflection (‰) |
| 110SGDJ4-19 | 110 | 19 | 20 |
The specific design parameters of the steel pipe rod in the embodiment are as follows:
| full height m | Root diameter (mm) | Tip diameter (mm) | Taper of taper | Number of segments |
| 31.08 | 1620 | 802 | 0.0263(1/38) | 3 |
| Cross-sectional shape | Deflection of whole rod ([ o ]) | Butt joint/socket joint | ||
| 12-sided polygon | 11.3 | Butt joint |
| Node number | Elevation (m) | Segment length (m) | Each segment of net weight (kg) | Tip diameter (mm) |
| 1-5 | 31.080-20.000 | 11.080 | 3141.233 | 802 |
| 5-7 | 20.000-10.000 | 10.000 | 6085.560 | 1094 |
| 7-200 | 10.000-0.000 | 10.000 | 8143.444 | 1357 |
| Root diameter (mm) | Wall thickness (mm) | Cross-sectional shape | Village matter | Lower end connection mode |
| 1094 | 12 | 12 | Q3451 | 0 |
| 1357 | 20 | 12 | Q3451 | 0 |
| 1620 | 22 | 12 | Q3451 | 0 |
| Maximum stress ratio | Control of operating conditions | |||
| 70.7％ | 4. Strong wind, balanced tension, 90 degree wind | |||
| 82.1％ | 4. Strong wind, balanced tension, 90 degree wind | |||
| 87.5％ | 4. Strong wind, balanced tension, 90 degree wind |
The specific design data of the root connecting plate is as follows:
the conditions are known and, given the knowledge of,
| cross arm numbering | Horizontal force Fx (kN) | Horizontal force Fy (kN) | Vertical force Fz (kN) | Horizontal bending moment Mx (kN.m) | Horizontal bending moment My (kN.m) | Pressing bending moment Mz (kN.m) |
| 47-27 | 15.240 | 14.350 | 25.300 | 0.000 | 59.040 | 34.510 |
| 61-27 | 15.380 | 14.300 | 25.250 | 0.000 | 58.750 | 34.310 |
| 77-29 | 15.410 | 14.110 | 29.830 | 0.000 | 83.070 | 41.550 |
| 93-29 | 15.520 | 14.080 | 29.790 | 0.000 | 82.840 | 41.400 |
| 109-31 | 15.340 | 14.110 | 30.540 | 0.000 | 100.120 | 49.450 |
| 125-31 | 15.440 | 14.090 | 30.500 | 0.000 | 99.800 | 49.260 |
| 141-33 | 15.180 | 14.110 | 30.650 | 0.000 | 102.200 | 50.280 |
| 157-33 | 15.260 | 14.090 | 30.620 | 0.000 | 101.900 | 50.100 |
| Cross arm numbering | Root width (mm) | Root height (mm) | Connecting plate length (mm) | Thickness of the connecting plate stiffened plate (mm) | Connecting plate thickness (mm) | Cross arm side board thickness (mm) | Z(mm) | Root connecting plate material | Bolt grade | Cross arm side plate material |
| 47-27 | 200 | 320 | 260 | 10 | 12 | 10 | 96 | Q3451 | Stage 6.8 | Q3451 |
| 61-27 | 200 | 320 | 260 | 10 | 12 | 10 | 96 | Q3451 | Stage 6.8 | Q3451 |
| 77-29 | 280 | 450 | 300 | 12 | 14 | 12 | 156 | Q3451 | Stage 6.8 | Q3451 |
| 93-29 | 280 | 450 | 300 | 12 | 14 | 12 | 156 | Q3451 | Stage 6.8 | Q3451 |
| 109-31 | 280 | 450 | 300 | 12 | 14 | 12 | 156 | Q3451 | Stage 6.8 | Q3451 |
| 125-31 | 280 | 450 | 300 | 12 | 14 | 12 | 156 | Q3451 | Stage 6.8 | Q3451 |
| 141-33 | 280 | 450 | 300 | 12 | 14 | 12 | 156 | Q3451 | Stage 6.8 | Q3451 |
| 157-33 | 280 | 450 | 300 | 12 | 14 | 12 | 156 | Q3451 | Stage 6.8 | Q3451 |
Z (mm): the distance of the farthest bolt to the neutral axis.
And (3) calculating the result:
| cross arm numbering | Bolt specification | Total number of bolts (row, column) | Design diameter (mm) | Bolt diameter (mm) | Screw length (mm) | Total mass of bolt (kg) | Ratio of shear stress |
| 47-27 | M30 | 8(2，2) | 25.44 | 25.45 | 80.00 | 5.74 | 100％ |
| 61-27 | M30 | 8(2，2) | 25.37 | 25.45 | 80.00 | 5.74 | 100％ |
| 77-29 | M30 | 8(2，2) | 23.67 | 25.45 | 85.00 | 5.96 | 87％ |
| 93-29 | M30 | 8(2，2) | 23.64 | 25.45 | 85.00 | 5.96 | 87％ |
| 109-31 | M30 | 12(3，2) | 24.26 | 25.45 | 85.00 | 8.94 | 91％ |
| 125-31 | M30 | 12(3，2) | 24.22 | 25.45 | 85.00 | 8.94 | 91％ |
| 141-33 | M30 | 12(3，2) | 24.50 | 25.45 | 85.00 | 8.94 | 93％ |
| 157-33 | M30 | 12(3，2) | 24.46 | 25.45 | 85.00 | 8.94 | 93％ |
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a two times back pi connects tower which characterized in that: the cable device comprises a multi-edge steel rod (1), a cable platform (3) arranged on the upper side part of the multi-edge steel rod (1), and a lead cross arm (4) and a grounding wire cross arm (5) which are respectively and fixedly connected to the cable platform (3);
the transmission lines between the substations are erected on the lead cross arm (4), one transmission line is directly connected with the first substation to the second substation, the other transmission line is disconnected at the lead cross arm (4) to form two lines, and the two lines II are connected to the second substation and the third substation (6);
the number of the cable platforms (3) on the same plane is three, and the three cable platforms (3) are fixedly connected to the multi-edge steel rod (1) in a Y shape;
the three cable platforms (3) are respectively and fixedly connected with a wire cross arm (4); the rear end of one of the cable platforms (3) extends between the two cable platforms (3), and the grounding wire cross arm (5) is fixed on the rear end of the cable platform (3).
2. The double return Π -junction tower of claim 1, wherein: the multi-edge steel pole (1) comprises a steel pipe pole and a regular polygon externally tangent and fixed to the outer circumference of the steel pipe pole, and the regular polygon comprises more than four edge plates (11).
3. A double return Π -junction tower according to claim 2, wherein: the steel pipe rod is a conical pipe rod, and the diameter of the top of the conical pipe rod is smaller than that of the bottom of the conical pipe rod.
4. A double return Π -junction tower according to claim 3, wherein: the lower side part of the multi-edge steel rod (1) is fixedly provided with a ladder climbing pedal (2).
5. The double return Π -junction tower of claim 1, wherein: the multi-edge steel rod (1) is fixedly connected end to end by adopting three sections of steel pipe rods in butt joint or sleeve joint.
6. The double return Π -junction tower of claim 5, wherein: the height of the steel pipe pole is 31.08m, and the taper of the steel pipe pole is 1/38.
7. A double return Π -junction tower according to claim 2, wherein: the regular polygon formed by the edge plates (11) is a regular 12-edge polygon.
8. The double return Π -junction tower of claim 7, wherein: the bottom of the multi-edge steel rod (1) is fixed on the ground, a root connecting plate is fixedly connected between the lower portion of the multi-edge steel rod (1) and the ground, and the height of the root connecting plate is 500 mm.
9. The double return Π -junction tower of claim 8, wherein: the multi-edge steel rod (1) is made of steel Q3451.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202017377U (en) * | 2011-04-07 | 2011-10-26 | 济南巨能铁塔制造有限公司 | Multi-prismatic steel tubular rod for power transmission line |
| KR20130084032A (en) * | 2012-01-16 | 2013-07-24 | 주식회사백상 | Tower lifting device and method |
| CN203334758U (en) * | 2013-07-12 | 2013-12-11 | 成都城电电力工程设计有限公司 | Pi connection special-shape steel pipe rod |
| CN204645798U (en) * | 2015-05-06 | 2015-09-16 | 苏文电能科技有限公司 | Double back becomes single time steel pipe pole |
| CN204663111U (en) * | 2015-04-03 | 2015-09-23 | 国家电网公司 | For setting up single open loop steel pipe pole of power transmission and transformation line |
| CN205502703U (en) * | 2016-04-15 | 2016-08-24 | 国家电网公司 | Transmission line pi connects tower |
| CN205637795U (en) * | 2016-04-26 | 2016-10-12 | 苏文电能科技有限公司 | Become single time steel pipe pole two times convenient to implement |
| CN108005458A (en) * | 2018-01-10 | 2018-05-08 | 国网江苏省电力公司经济技术研究院 | Singly cut-off π sections towers in double loop |
| CN208106036U (en) * | 2018-04-12 | 2018-11-16 | 荆州市荆力工程设计咨询有限责任公司 | A kind of novel single back line π is into cable terminal steel pipe pole |
| CN110017051A (en) * | 2019-05-21 | 2019-07-16 | 石家庄电业设计研究院有限公司 | A kind of novel T of double-circuit line connects tower |
| CN209637338U (en) * | 2019-01-18 | 2019-11-15 | 洛阳华兴电力工程设计有限公司 | 110 KV transmission line π connect cable and draw lower steel pipe pole |
| KR20200013330A (en) * | 2018-07-30 | 2020-02-07 | 한양대학교 산학협력단 | Power transmission tower using tension members |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000013330U (en) * | 1998-12-24 | 2000-07-15 | 김형국 | Bearing lifting tools for reactor coolant pump |
-
2020
- 2020-09-23 CN CN202011005881.8A patent/CN112160642B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202017377U (en) * | 2011-04-07 | 2011-10-26 | 济南巨能铁塔制造有限公司 | Multi-prismatic steel tubular rod for power transmission line |
| KR20130084032A (en) * | 2012-01-16 | 2013-07-24 | 주식회사백상 | Tower lifting device and method |
| CN203334758U (en) * | 2013-07-12 | 2013-12-11 | 成都城电电力工程设计有限公司 | Pi connection special-shape steel pipe rod |
| CN204663111U (en) * | 2015-04-03 | 2015-09-23 | 国家电网公司 | For setting up single open loop steel pipe pole of power transmission and transformation line |
| CN204645798U (en) * | 2015-05-06 | 2015-09-16 | 苏文电能科技有限公司 | Double back becomes single time steel pipe pole |
| CN205502703U (en) * | 2016-04-15 | 2016-08-24 | 国家电网公司 | Transmission line pi connects tower |
| CN205637795U (en) * | 2016-04-26 | 2016-10-12 | 苏文电能科技有限公司 | Become single time steel pipe pole two times convenient to implement |
| CN108005458A (en) * | 2018-01-10 | 2018-05-08 | 国网江苏省电力公司经济技术研究院 | Singly cut-off π sections towers in double loop |
| CN208106036U (en) * | 2018-04-12 | 2018-11-16 | 荆州市荆力工程设计咨询有限责任公司 | A kind of novel single back line π is into cable terminal steel pipe pole |
| KR20200013330A (en) * | 2018-07-30 | 2020-02-07 | 한양대학교 산학협력단 | Power transmission tower using tension members |
| CN209637338U (en) * | 2019-01-18 | 2019-11-15 | 洛阳华兴电力工程设计有限公司 | 110 KV transmission line π connect cable and draw lower steel pipe pole |
| CN110017051A (en) * | 2019-05-21 | 2019-07-16 | 石家庄电业设计研究院有限公司 | A kind of novel T of double-circuit line connects tower |
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