CN215331813U - Be used for two pole structures of returning of 10kV - Google Patents

Abstract

The utility model relates to a 10kV double-return door pole structure, which comprises two prestressed electric poles and a plurality of angle iron cross arms, wherein the two prestressed electric poles are vertically arranged side by side at the left and right, the plurality of angle iron cross arms are sequentially and horizontally arranged from top to bottom, the left and right ends of the angle iron cross arms are respectively and fixedly connected with the left and right prestressed electric poles, insulators are arranged on the angle iron cross arms, and wires and stay wires are connected on the angle iron cross arms. The structure can be applied to large span and has wide application range.

Description

Be used for two pole structures of returning of 10kV

Technical Field

The utility model relates to a 10kV double-return door rod structure.

Background

Currently, in the 10kV overhead line engineering design process, overhead line corridors are often limited. The existing national network is designed, a 10kV double-loop only has a single-rod type, and the use condition is limited. In the design process, the field path corridor of a part of areas is limited, the span is large, and the single rod cannot meet the erection requirement.

Disclosure of Invention

The utility model aims to provide a 10kV double-return door rod structure which can be applied to large-span spanning and has a wide application range.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a be used for two pole structures of returning of 10kV, includes two prestressing force poles and many angle bar cross arms, the vertical setting side by side in the left and right sides of two prestressing force poles, many the angle bar cross arm sets up from last to the level in proper order down, and about it both ends respectively with two left and right prestressing force pole fixed connection, set up the insulator on the angle bar cross arm, be connected with the wire on the angle bar cross arm and act as go-between.

Further, the prestressing force pole mainly comprises upper segment pole and hypomere pole, the upper segment pole adopts flange joint with the hypomere pole.

Furthermore, the diameter of the upper section of the electric pole is 300mm, the length of the upper section of the electric pole is 9000mm, the diameter of the lower section of the electric pole is 300mm, and the length of the lower section of the electric pole is 6000 mm.

Further, the distance between the two prestressed electric poles is 3000mm, and the distance between two adjacent angle iron cross arms is 1500 mm.

Further, many angle bar cross arms include three angle bar cross arms that set gradually from last to down.

Furthermore, the left end and the right end of the angle iron cross arm are fixedly connected with the prestressed electric pole through connecting bolts respectively.

Furthermore, the left end and the right end of the angle iron cross arm are provided with stay wire anchor ears which are connected with stay wires.

Furthermore, the stay wire hoop mainly comprises two hoop plates, a stiffening plate and a bolt connecting piece, wherein the stiffening plate is fixedly connected to the outside of the hoop plates, and the two hoop plates are fixedly connected to the prestressed electric pole through the bolt connecting piece.

Furthermore, the included angles of the lead and the stay wire to the angle iron cross arm are the same and are (90-alpha/2) degrees.

Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a be used for two pole structures that return of 10kV to the problem that exists among the 10kV overhead line, adopt this pole type can not only solve route corridor restricted, the big (more than 80 meters) scheduling problem of span, can be applied to big span and stride across, can also reduce engineering cost, practice thrift the investment, improve the power supply reliability.

Drawings

FIG. 1 is a front view of a structure of an embodiment of the present invention.

Fig. 2 is a structural side view of an embodiment of the present invention.

Fig. 3 is a top view of a structure of an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the wire pulling hoop in the embodiment of the present invention.

Detailed Description

The utility model is further explained below with reference to the drawings and the embodiments.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

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.

As shown in fig. 1-3, this embodiment provides a be used for two pole structures that return of 10kV, including two prestressing force poles 1 and many angle bar cross arms 2, two prestressing force poles 1 left and right vertical settings side by side, many angle bar cross arm 2 is from last to the setting of level in proper order down, and both ends respectively with two prestressing force poles 1 fixed connection on the left and right sides about it, set up insulator 3 on the angle bar cross arm 2, be connected with wire 5 and act as go-between 4 on the angle bar cross arm 2.

In this embodiment, the prestressed electric pole 1 mainly comprises an upper section electric pole 11 and a lower section electric pole 12, and the upper section electric pole 11 and the lower section electric pole 12 are flange-connected. The diameter of the upper section of the electric pole is 300mm, the length of the upper section of the electric pole is 9000mm, the diameter of the lower section of the electric pole is 300mm, and the length of the lower section of the electric pole is 6000 mm.

In this embodiment, the distance between the two prestressed electric poles 1 is 3000mm, the distance between two adjacent angle iron cross arms 2 is 1500mm, and large span can be realized (the maximum horizontal span is 250m; the maximum vertical span is 300 m).

In this embodiment, the plurality of angle iron cross arms 2 include three angle iron cross arms arranged in sequence from top to bottom.

The left end and the right end of the angle iron cross arm 2 are fixedly connected with the prestressed electric pole 1 through connecting bolts 6 respectively.

The left end and the right end of the angle iron cross arm 2 are provided with stay wire anchor ears 7 which are connected with stay wires through the stay wire anchor ears.

As shown in fig. 4, the stay anchor ear 7 is mainly composed of two hoop plates 71, a stiffening plate 72 and a bolt connector, wherein the stiffening plate is connected to the outside of the hoop plate in a reinforcing manner, and the two hoop plates are fixedly connected to the prestressed electric pole through the bolt connector.

The included angles of the lead 5 and the stay wire 4 to the angle iron cross arm 2 are the same and are (90-alpha/2), wherein alpha is a preset angle. In the embodiment, the included angle of the upper pull wire to the ground is 45 degrees, the included angle of the upper pull wire to the ground at the inner angle is 60 degrees, the upper pull wire and the lower pull wire are combined, and the soil discharging range of the pull rod is 0.3-0.5 m; the external angle is pulled up and down to close the tray; the included angle of the upper pull rod to the rod body is 45 degrees.

The double-return door rod structure is suitable for LGJ-300 wires and below, and has the maximum horizontal span of 250m; the maximum vertical span is 300 m; the rotation angle is 5-30 degrees; the maximum design wind speed Vm =25 m/S. The safety coefficient K of the lead is more than or equal to 4.

All metal processing parts for assembling the double-return door rod structure are subjected to hot galvanizing treatment.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims (9)

1. The utility model provides a be used for two pole structures that return of 10kV, a serial communication port, including two prestressing force poles and many angle bar cross arms, the left and right vertical setting side by side of two prestressing force poles, many the angle bar cross arm sets up from last to down level in proper order, and about it both ends respectively with two left and right prestressing force pole fixed connection, set up the insulator on the angle bar cross arm, be connected with the wire on the angle bar cross arm and act as go-between.

2. The structure of claim 1, wherein the prestressed electric pole is mainly composed of an upper section electric pole and a lower section electric pole, and the upper section electric pole and the lower section electric pole are connected by flanges.

3. A structure for a 10kV double-return door pole according to claim 2, wherein the upper section electric pole has a diameter of Φ 300mm and a length of 9000mm, and the lower section electric pole has a diameter of Φ 300mm and a length of 6000 mm.

4. The structure of claim 1, wherein the distance between the two prestressed electric poles is 3000mm, and the distance between two adjacent angle iron cross arms is 1500 mm.

5. The structure of claim 1, wherein the plurality of angle iron cross arms comprises three angle iron cross arms arranged in sequence from top to bottom.

6. The structure of claim 1, wherein the left and right ends of the angle iron cross arm are fixedly connected with the prestressed electric pole through connecting bolts.

7. The structure of claim 1, wherein the left and right ends of the angle iron cross arm are provided with stay wire hoops, and the stay wires are connected through the stay wire hoops.

8. The structure of claim 7, wherein the stay anchor ear is mainly composed of two hoop plates, a stiffener plate and a bolt connector, the stiffener plate is connected to the outside of the hoop plate, and the two hoop plates are fixedly connected to the prestressed electric pole through the bolt connector.

9. The structure of claim 1, wherein the angles between the conducting wire and the diagonal iron cross arm of the stay wire are the same and are (90- α/2) degrees.

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