CN203334760U - Same rod tower cross span abnormal tower - Google Patents
Same rod tower cross span abnormal tower Download PDFInfo
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- CN203334760U CN203334760U CN2013204162909U CN201320416290U CN203334760U CN 203334760 U CN203334760 U CN 203334760U CN 2013204162909 U CN2013204162909 U CN 2013204162909U CN 201320416290 U CN201320416290 U CN 201320416290U CN 203334760 U CN203334760 U CN 203334760U
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Abstract
The utility model relates to the technical field of grid equipment, in particular to a same rod tower cross span abnormal tower. The same rod tower cross span abnormal tower comprises a tower frame and a cross arm set. The cross arm set comprises a top cross arm, a middle cross arm and a lower cross arm; the top cross arm comprises two first cross arms which are oppositely arranged; the middle cross arm comprises at least three second cross arms which are arranged in the vertical direction; the lower cross arm comprises at least three third cross arms which are arranged in the vertical direction; the middle cross arm and the lower cross arm are arranged in a staggered mode, and the include angle between the plane where the middle cross arm is located and the plane where the lower cross arm is located ranges from 120 degrees to 150 degrees. By means of the structural design, the problems that two sides of a road in a city are full of high-rise buildings, channels are scarce, original same double-loop lines need circuity and retracing span in the prior art, and construction can not be conducted basically. The number of the channels, the floor occupied area and the number of rod towers are reduced, use quantity of concrete is reduced, and total engineering investment is reduced.
Description
Technical field
The utility model relates to the grid equipment technical field, more particularly, and the particularly special-shaped tower of a kind of same shaft tower scissors crossing.
Background technology
When conventional double-circuit line on same pole road π connects, generally select the nearside circuit or open π twice simultaneously, then circuit sets up to terminal (transformer station); When special selection distally circuit is opened π, generally need two base double loop steel pipe poles, after setting up away from terminal (transformer station) outlet, roundabout, turning back strides across former double-circuit line on same pole road, to circuit terminal (transformer station), set up.
There is certain restriction in prior art to system schema, forces in most cases to select the nearside circuit to carry out π to connect; When if system must π connects the distally circuit, circuit π contact, circuit corridor are existed to restriction, circuit need to first deviate from the terminal construction, turn back again and stride across former circuit, invest highlyer, the what is more important passage takies more, in modern city, the channel resource anxiety, be difficult to meet same circuit fold back in passage and set up.
The utility model content
The purpose of this utility model is to provide a kind of same shaft tower scissors crossing special-shaped tower, to solve the above problems.
The utility model provides a kind of same shaft tower scissors crossing special-shaped tower, includes pylon, is provided with the cross-arm group on pylon, for overlapping cable.The cross-arm group includes top cross-arm, intermediate layer cross-arm and lower floor's cross-arm; The top cross-arm includes two the first cross-arms that are oppositely arranged; The intermediate layer cross-arm includes at least three the second cross-arms of arranging on vertical direction; Lower floor's cross-arm includes at least three the 3rd cross-arms of arranging on vertical direction; Intermediate layer cross-arm and lower floor's cross-arm are crisscross arranged, the intermediate layer cross-arm plane and lower floor's cross-arm plane between there is the angle of 120 ° to 150 °.
In a specific embodiment of the present utility model, cross-arm included whole the second cross-arms in intermediate layer are enumerated setting on vertical direction, and are positioned at same perpendicular, and the second whole cross-arms uniformly-spaced arrange; Included whole the 3rd cross-arms of lower floor's cross-arm are enumerated setting on vertical direction, and are positioned at same perpendicular, and the 3rd whole cross-arms uniformly-spaced arrange.The intermediate layer cross-arm plane and lower floor's cross-arm plane between there is the angle of 135 °.According to different service condition, can change this angle angle.
By said structure, design, at staggered floor cross-arm and twice cross-arms, not in same level, the special-shaped cross-arm that forms angle and be 135 ° is arranged, has solved, in city, road both sides high building stands in great numbers, the passage anxiety, prior art needs roundabout, the leap former double-circuit line on same pole road of turning back, the problem that substantially can't implement, reduce passage, reduce floor space, reduce shaft tower quantity, the concrete user measures reduction, has reduced total investment of engineering.
The accompanying drawing explanation
Fig. 1 is with the structural representation of the special-shaped tower of shaft tower scissors crossing in a kind of embodiment of the utility model;
Fig. 2 is with the top view of the special-shaped tower of shaft tower scissors crossing in a kind of embodiment of the utility model;
In Fig. 1 and Fig. 2, the corresponding relation of component names and Reference numeral is:
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is with the structural representation of the special-shaped tower of shaft tower scissors crossing in a kind of embodiment of the utility model; Fig. 2 is with the top view of the special-shaped tower of shaft tower scissors crossing in a kind of embodiment of the utility model.
The utility model provides a kind of same shaft tower scissors crossing special-shaped tower, include pylon 1, pylon 1 adopts the steel pylon, in a specific embodiment of the present utility model, pylon 1 adopts the conical structure design, along each cross section of axis of pylon 1, is circle.After pylon 1 is installed, each section diameter reduces gradually from bottom to top, so improved dramatically the stability that pylon 1 is installed.Be provided with cross-arm on pylon 1, for hanging lead wire and earth wire.
Particularly, the cross-arm group includes top cross-arm a, intermediate layer cross-arm b and the cross-arm c of lower floor; Top cross-arm a includes two the first cross-arms that are oppositely arranged; Intermediate layer cross-arm b includes at least three the second cross-arms of arranging on vertical direction; The cross-arm c of lower floor includes at least three the 3rd cross-arms of arranging on vertical direction; Intermediate layer cross-arm b and the cross-arm c of lower floor are crisscross arranged, intermediate layer cross-arm b plane and the cross-arm c of lower floor plane between there is the angle of 120 ° to 150 °.
In the utility model, the first cross-arm is the ground wire cross-arm.
In a specific embodiment of the present utility model, cross-arm b included whole the second cross-arms in intermediate layer are enumerated setting on vertical direction, and are positioned at same perpendicular, and the second whole cross-arms uniformly-spaced arrange; Included whole the 3rd cross-arms of lower floor's cross-arm are enumerated setting on vertical direction, and are positioned at same perpendicular, and the 3rd whole cross-arms uniformly-spaced arrange.Intermediate layer cross-arm b plane and the cross-arm c of lower floor plane between there is the angle of 135 °.According to different service condition, can change this angle angle.
Connect the double-circuit line on same pole great distance from terminal (transformer station) side one time in order only to solve π, be subject to transformer station and open π place on line relation and limit, the common steel tube bar can't meet the problem that π connects and circuit sets up to transformer substation side simultaneously, taking into account requirement of engineering, urban development, exploitativeness, the aspects such as saving investment consider, and newly design with shaft tower scissors crossing steel tubes bar.
The steel pipe pole cross-arm is arranged as: the staggered floor cross-arm is arranged, the ground wire cross-arm is arranged symmetrically with 1.6 meters, on the loop, left side, the lower wire cross-arm is arranged as 2.9 meters, middle wire is 3.6 meters, the loop, right side starts far from 6.5 meters of left side lower wire cross-arm to arrange, upper lower wire cross-arm is 2 meters, and middle cross-arm is 2.5 meters, and left and right sides cross-arm angle is 135 °.In prior art, the loop, left and right is arranged symmetrically with, and in same level.
In each embodiment of the present utility model, conventional settling mode is: utilize the conventional double loop of two bases steel pipe poles to open π double-circuit line on same pole great distance from transformer substation side one time, after deviating from terminal (transformer station) outlet and setting up, again roundabout, turning back strides across former double-circuit line on same pole road, to terminal (transformer station), set up; This patent is at the staggered floor cross-arm, and twice cross-arms are not in same level, and the special-shaped cross-arm that the formation angle is 135 ° is arranged, has solved, in city, road both sides high building stands in great numbers, the passage anxiety, prior art needs roundabout, the leap former double-circuit line on same pole road of turning back, the problem that substantially can't implement, reduce passage, reduce floor space, reduce shaft tower quantity, the concrete user measures reduction, has reduced total investment of engineering.
Improvement of the present utility model focuses on:
1, cross-arm is arranged as asymmetric arrangement;
2, the cross-arm left and right is arranged not in same level.
In the specific embodiment of the present utility model, the cross-arm group has been made to following size and has limited:
The first, cross-arm b in intermediate layer includes three the second cross-arms, three the second cross-arms in vertical direction from top to bottom length range be followed successively by: 2.8m to 3.0m is specially 2.9m; 3.5m, to 3.7m, be specially 3.6m; 2.8m, to 3.0m, be specially 2.9m.
The second, lower floor's cross-arm c includes three the 3rd cross-arms, three the 3rd cross-arms in vertical direction from top to bottom length range be followed successively by: 1.9m to 2.1m is specially 2.0m; 2.4m, to 2.6m, be specially 2.5m; 1.9m, to 2.1m, be specially 2.0m.
The 3rd, two the first cross-arm length that top cross-arm a includes are identical, and its length range is: 1.5m to 1.7m is specially 1.6m.
Acting as overlap joint, supporting aerial cable of cross-arm, in order to spend before the structure that improves cross-arm, avoid due to the more situation that causes the cross-arm fracture damage of aerial cable connected, and the utility model has proposed following two schemes especially:
One of them is: the second cross-arm includes two the second cross-arm support units, and two the second cross-arm support units be arranged in parallel in same level.
Another is: the 3rd cross-arm includes two the 3rd cross-arm support units, and two the 3rd cross-arm support units be arranged in parallel in same level.
Take the second cross-arm as example: the second cross-arm includes two the second cross-arm support units, and two the second cross-arm support units be arranged in parallel in same horizontal plane.When an overhead cable is overlapped on two the second cross-arm support units simultaneously, on the active force mean allocation to two that an overhead cable can be applied second a cross-arm support unit, thereby reduce the stressed of single cross-arm, thereby can improve the reliability of the second cross-arm work, avoid the second cross-arm due to the stressed excessive and situation of fracture, damage.
The concrete setting of the 3rd cross-arm please refer to the second cross-arm, at this, will no longer be repeated.
In order to improve the structural strength of cross-arm group, further increase the reliability of cross-arm group work, in the present embodiment, the cross-arm group is steel cross-arm group.Adopt Steel material to make the cross-arm group, can increase the structural strength of cross-arm group, thereby improve the reliability that the cross-arm group is used.
When cross-arm group (specifically comprising top cross-arm a, intermediate layer cross-arm b and the cross-arm c of lower floor) adopts the steel design design, can be bolted and be fixed on pylon 1, also can directly be arranged on pylon 1 by welding.
Particularly, top cross-arm a, intermediate layer cross-arm b and the cross-arm c of lower floor are the arcuate structure design.The employing arcuate structure designs, and can improve the flexural strength of top cross-arm a, intermediate layer cross-arm b and the cross-arm c of lower floor, the deformation extent while reducing high top cross-arm a, intermediate layer cross-arm b and the cross-arm c of lower floor use.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. one kind with the special-shaped tower of shaft tower scissors crossing, includes pylon, it is characterized in that,
Also comprise the cross-arm group;
Described cross-arm group includes top cross-arm, intermediate layer cross-arm and lower floor's cross-arm;
Described top cross-arm includes two the first cross-arms that are oppositely arranged;
Described intermediate layer cross-arm includes at least three the second cross-arms of arranging on vertical direction;
Described lower floor cross-arm includes at least three the 3rd cross-arms of arranging on vertical direction;
Described intermediate layer cross-arm and described lower floor cross-arm are crisscross arranged, described intermediate layer cross-arm plane and described lower floor cross-arm plane between there is the angle of 120 ° to 150 °.
2. the special-shaped tower of same shaft tower scissors crossing according to claim 1, it is characterized in that, described intermediate layer cross-arm includes three the second cross-arms, three described the second cross-arms in vertical direction from top to bottom length range be followed successively by: 2.8m to 3.0m, 3.5m to 3.7m, 2.8m to 3.0m.
3. the special-shaped tower of same shaft tower scissors crossing according to claim 1, it is characterized in that, described lower floor cross-arm includes three the 3rd cross-arms, three described the 3rd cross-arms in vertical direction from top to bottom length range be followed successively by: 1.9m to 2.1m, 2.4m to 2.6m, 1.9m to 2.1m.
4. the special-shaped tower of same shaft tower scissors crossing according to claim 1, is characterized in that, two described the first cross-arm length that described top cross-arm includes are identical, and its length range is: 1.5m to 1.7m.
5. the special-shaped tower of same shaft tower scissors crossing according to claim 1, is characterized in that, described the second cross-arm includes two the second cross-arm support units, and two described the second cross-arm support units be arranged in parallel in same level.
6. the special-shaped tower of same shaft tower scissors crossing according to claim 5, is characterized in that, described the 3rd cross-arm includes two the 3rd cross-arm support units, and two described the 3rd cross-arm support units be arranged in parallel in same level.
7. according to the special-shaped tower of the described same shaft tower scissors crossing of claim 1 to 6 any one, it is characterized in that, described cross-arm group is steel cross-arm group.
8. according to the special-shaped tower of the described same shaft tower scissors crossing of claim 1 to 6 any one, it is characterized in that, described top cross-arm, described intermediate layer cross-arm and described lower floor cross-arm are the arcuate structure design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204162909U CN203334760U (en) | 2013-07-12 | 2013-07-12 | Same rod tower cross span abnormal tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204162909U CN203334760U (en) | 2013-07-12 | 2013-07-12 | Same rod tower cross span abnormal tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203334760U true CN203334760U (en) | 2013-12-11 |
Family
ID=49703439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204162909U Expired - Lifetime CN203334760U (en) | 2013-07-12 | 2013-07-12 | Same rod tower cross span abnormal tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203334760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458068A (en) * | 2022-02-22 | 2022-05-10 | 国核电力规划设计研究院有限公司 | Power transmission system |
| CN115341796A (en) * | 2022-08-23 | 2022-11-15 | 山东电力工程咨询院有限公司 | Corner rod structure capable of adjusting crossing height of front and rear gears |
-
2013
- 2013-07-12 CN CN2013204162909U patent/CN203334760U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114458068A (en) * | 2022-02-22 | 2022-05-10 | 国核电力规划设计研究院有限公司 | Power transmission system |
| CN115341796A (en) * | 2022-08-23 | 2022-11-15 | 山东电力工程咨询院有限公司 | Corner rod structure capable of adjusting crossing height of front and rear gears |
| CN115341796B (en) * | 2022-08-23 | 2024-01-19 | 山东电力工程咨询院有限公司 | Corner rod structure capable of adjusting front-rear gear crossing height |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |