CN211549035U - Polygonal oval cross-section double-rod linear high-strength steel electric pole - Google Patents
Polygonal oval cross-section double-rod linear high-strength steel electric pole Download PDFInfo
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- CN211549035U CN211549035U CN201921879988.8U CN201921879988U CN211549035U CN 211549035 U CN211549035 U CN 211549035U CN 201921879988 U CN201921879988 U CN 201921879988U CN 211549035 U CN211549035 U CN 211549035U
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Abstract
The utility model provides a two pole straight line high-strength steel power poles in multilateral oval cross-section, include the body of rod fixed through lower flange and ground, body of rod below be provided with the ground point, body of rod top is provided with a plurality of cross arms, the body of rod be two, the body of rod cross-section is oblate or oval structure, the upper portion of the two bodies of rod is connected through connecting the crossbeam, the lower part is connected through drawing the tie-beam to one side. The utility model discloses a structural style and the two pole lower parts that the oval cross-section two poles of high-strength steel main part were arranged adopt X shape even roof beam bracing to arrange, very big improvement the intensity and the amount of deflection performance of side direction, reach the application difficult problem that satisfies the demands, practice thrift soil, safe economy, environmental protection efficient circuit tower when lightening material consumption as far as possible.
Description
Technical Field
The utility model relates to an electric power tower field specifically is a two pole straight line high-strength steel electric power poles in polygonal oval cross-section.
Background
The conventional linear electric power pole at present is basically in a round or conical multi-section flange connection structure, common steel materials such as Q235 and Q345 which are widely applied are generally adopted as the materials, the material used for an iron tower has multiple poor stability, resources are poor, and land waste is serious;
because the installation position of the linear power pole is generally positioned along the main trunk road or the development area of a suburb joint part, the roads of province and national roads and the like, the common power facilities which have small land shortage and green belts and cannot accommodate angle steel power towers, combined steel pipe towers and the like and have large occupied area generally exist, the common power pole has the lateral side affected by wind power after wind power and ice and snow cover and the lateral side affected by the defects that the welding of the power pole body and the manufacturing process are not easy to see and detect and judge, the hidden dangers that the safety operation is seriously affected by the breakage of the pole body, the flat bending of the cross section, the bending deformation and the like are easy to occur because the cross section of the common power pole is circular and longitudinal stressed and the line and ground wire tension factors are only uniformly stressed and abnormal, and a.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide a polygonal oval cross-section double-pole straight line high strength steel electric power pole, owing to adopt structural style and the double-pole lower part that the oval cross-section double-pole of high strength steel main part was arranged adopt X shape even roof beam bracing to arrange, very big improvement the intensity and the amount of deflection performance of side direction, reach the application difficult problem that satisfies the requirement, practice thrift the soil, safe economy, environmental protection efficient circuit tower when alleviateing material consumption as far as possible.
The utility model discloses a through the fixed body of rod of lower flange and ground, body of rod below be provided with the ground point, body of rod top is provided with a plurality of cross arms, the body of rod be two, the body of rod cross-section is oblate or oval structure, the upper portion of the two bodies of rod is passed through the connection crossbeam and is connected, the lower part is connected through drawing the tie-beam to one side.
The improved structure is characterized in that the connecting cross beams are two cross beams which are arranged in parallel, and the oblique-pulling connecting beams are two oblique beams which are obliquely crossed to form an X shape.
In a further improvement, the length-width ratio of the cross section of the rod body elliptic main body is 35-50%.
The improved structure is characterized in that the plurality of cross arms comprise ground wire cross arms, upper cross arms, middle cross arms and lower cross arms, and wire hanging points are arranged at the tail ends of the cross arms.
Further improved, the diameter of the rod body and the thickness of the pipe wall are gradually reduced from bottom to top.
The improved structure is characterized in that the rod body is of an upper-lower two-section structure connected through a connecting flange.
The utility model has the advantages that:
1. the structural form of the cross section of the rod body main body is changed, an oblate or oval design is adopted, and the stress weak points and the easy-to-deform parts are locally strengthened to reduce the overall weight through the checking calculation of stress analysis software.
2. The upper parts of the double rods are horizontally connected, and the lower parts of the double rods are arranged by adopting X-shaped connecting beam inclined struts, so that the lateral strength and the deflection performance are greatly improved.
3. The double-rod arrangement is most beneficial to the application of the steel pipe rods of the line with the voltage grade of 110KV to 220KV and the corner below 30 degrees, can reduce the comprehensive cost and the manufacturing cost by 10 to 30 percent, reduce the material consumption by 25 to 35 percent, reduce the land occupation by 15 to 25 percent, and has good economic and social benefits.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic cross-sectional view of the rod body connecting flange.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The utility model discloses the structure is as shown in fig. 1, include the body of rod 1 through lower flange 2 and ground fixing, body of rod below be provided with ground point 12, body of rod side is provided with cat ladder 11, body of rod top is provided with a plurality of cross arms, the body of rod be two, the body of rod cross-section is oblate or oval structure, the upper portion of the two bodies of rod is passed through connecting crossbeam 4 and is connected, the lower part is through drawing tie-beam 10 to one side and connecting. The connecting beam 4 is two beams arranged in parallel, and the diagonal connecting beam 10 is two oblique beams which are obliquely crossed to form an X shape. The length-width ratio of the cross section of the rod body elliptic main body is 35-50%. The plurality of cross arms comprise a ground wire cross arm 5, an upper cross arm 6, a middle cross arm 7 and a lower cross arm 8, and the tail ends of the cross arms are provided with wire hanging points 9. The diameter of the rod body and the thickness of the pipe wall are gradually reduced from bottom to top. The rod body is of an upper-lower two-section structure connected through a connecting flange 3.
The utility model discloses the concrete implementation flow is as follows:
1-according to the required stress, load requirements and parameters of the electric pole, breath height and the like, the design according to the overall circular structural form can adopt an elliptical high-strength steel double-pole structure in the same proportion, reduce the material consumption by 25-35%, and adopt simulation electric pole software to carry out secondary development stress checking calculation.
2, designing a connecting method and a structural form of the upper connecting beam and the middle and lower diagonal cross connecting beams as required, and adopting square flanges between the sections, and carrying out structural and process reinforcement design by adopting a structural reinforcement mode of local high-strength steel reinforcing ribs inside or outside.
The 3-rod body barrel is processed into two elliptic sections by a bending method according to a conventional processing method, and the longitudinal seam welding, the backing groove and the like are the same as those of the traditional method.
And 4, other assembling and welding are the same as those of the traditional method, and the thermal deformation is considered during welding or the welding is corrected after finishing welding.
The utility model discloses the concrete application way is many, and the above-mentioned only is the preferred embodiment of the utility model, should point out, to ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also make a plurality of improvements, and these improvements also should be regarded as the utility model discloses a scope of protection.
Claims (6)
1. The utility model provides a two pole straight line high-strength steel power poles of polygonal oval cross-section, includes the body of rod fixed through lower flange and ground, body of rod below be provided with the ground point, body of rod top is provided with a plurality of cross arms, its characterized in that: the two rod bodies are of oblate or elliptical structures, the upper parts of the two rod bodies are connected through a connecting beam, and the lower parts of the two rod bodies are connected through an oblique-pulling connecting beam.
2. The polygonal oval cross-section dual-rod straight-line high-strength steel power rod according to claim 1, wherein: the connecting cross beams are two cross beams which are arranged in parallel, and the oblique-pulling connecting beams are two oblique beams which are obliquely crossed into an X shape.
3. The polygonal oval cross-section dual-rod straight-line high-strength steel power rod according to claim 1, wherein: the length-width ratio of the cross section of the rod body elliptic main body is 35-50%.
4. The polygonal oval cross-section dual-rod straight-line high-strength steel power rod according to claim 1, wherein: the plurality of cross arms comprise ground wire cross arms, upper cross arms, middle cross arms and lower cross arms, and wire hanging points are arranged at the tail ends of the cross arms.
5. The polygonal oval cross-section dual-rod straight-line high-strength steel power rod according to claim 1, wherein: the diameter of the rod body and the thickness of the pipe wall are gradually reduced from bottom to top.
6. The polygonal oval cross-section dual-rod straight-line high-strength steel power rod according to claim 1, wherein: the rod body is of an upper-lower two-section structure connected through a connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879988.8U CN211549035U (en) | 2019-11-04 | 2019-11-04 | Polygonal oval cross-section double-rod linear high-strength steel electric pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879988.8U CN211549035U (en) | 2019-11-04 | 2019-11-04 | Polygonal oval cross-section double-rod linear high-strength steel electric pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549035U true CN211549035U (en) | 2020-09-22 |
Family
ID=72500063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921879988.8U Active CN211549035U (en) | 2019-11-04 | 2019-11-04 | Polygonal oval cross-section double-rod linear high-strength steel electric pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549035U (en) |
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2019
- 2019-11-04 CN CN201921879988.8U patent/CN211549035U/en active Active
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