CN214506496U

CN214506496U - High-low voltage same-tower parallel line structure

Info

Publication number: CN214506496U
Application number: CN202120425303.3U
Authority: CN
Inventors: 仝楠; 徐雨生; 杨小强; 班阳; 闫萍; 李伟; 夏永刚; 王涛; 王卫千; 廖懿媛
Original assignee: Tangshan Electric Power Survey And Design Institute Co ltd
Current assignee: Tangshan Electric Power Survey And Design Institute Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-10-26
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses a high-low voltage same-pole parallel line structure, wherein, an upper layer 10kV line, a 0.4kV line and a lower layer 10kV line are arranged on a telegraph pole in sequence from top to bottom, wherein, the 0.4kV line is fixed on the telegraph pole through a special-shaped four-line cross arm structure; the special-shaped four-wire cross arm structure comprises a first horizontal cross arm and a second horizontal cross arm which are arranged in parallel, the first horizontal cross arm and the second horizontal cross arm are respectively positioned on two sides of a wire rod body, a first hoop structure is fixed between the first horizontal cross arm and the second horizontal cross arm, and the special-shaped four-wire cross arm structure is fixed on a wire pole through the first hoop structure; one end of the horizontal cross arm I and one end of the horizontal cross arm II are fixedly connected with a cross arm III; including the 0.4kv of lateral expenditure cross arm in above-mentioned structure strengthens the cross arm structure, realized paying the body of rod side with the interconnecting link between upper 10kv circuit and the lower floor 10kv circuit, the circuit moves towards clearly clean and tidy, reforms transform the cost and hangs down.

Description

High-low voltage same-tower parallel line structure

Technical Field

The utility model discloses a construction technical field of overhead line especially relates to a high-low pressure is with pole and puts up circuit structure.

Background

In the 10kV overhead line construction process, sometimes 10kV and low-voltage 0.4kV are connected on the same tower, and at the moment, if a newly-built branch line of the 10kV line or a transformer station under the tower is required to supply power, double-layer lines often conflict.

In order to solve the problems, the existing crossing wiring structure usually needs to be newly built with a section of cable, so that the manufacturing cost is high, and the maintenance and the construction are inconvenient.

Disclosure of Invention

In view of this, the utility model discloses a high-low pressure is with pole and put up circuit structure, this structure is 10kv circuit and stridees across low-voltage iron cross arm structure perpendicularly.

The technical scheme provided by the utility model is that, from top to bottom, an upper layer 10kV line, a 0.4kV line and a lower layer 10kV line are arranged in sequence on the telegraph pole, wherein the 0.4kV line is fixed on the telegraph pole through a special-shaped four-line cross arm structure; the special-shaped four-wire cross arm structure comprises a first horizontal cross arm and a second horizontal cross arm which are arranged in parallel, the first horizontal cross arm and the second horizontal cross arm are respectively positioned on two sides of a wire rod body, a first hoop structure is fixed between the first horizontal cross arm and the second horizontal cross arm, and the special-shaped four-wire cross arm structure is fixed on a wire pole through the first hoop structure; one end of the horizontal cross arm I and one end of the horizontal cross arm II are fixedly connected with a cross arm III, and the cross arm III is vertically fixed with the horizontal cross arm I and the horizontal cross arm II; the third cross arm is located on the side face of the electric wire rod body, and a connecting circuit between the upper layer 10kv circuit and the lower layer 10kv circuit is extended to the side face of the electric wire rod body and is connected to the wiring terminal on the third cross arm together.

Further improved, an inclination angle is arranged between one end of the first horizontal cross arm and one end of the second horizontal cross arm which are connected with the third horizontal cross arm and the horizontal direction, and the angle is 15 degrees.

Further improve, dysmorphism four-wire cross arm structure still includes consolidates bearing structure, consolidate bearing structure and include two parallel arrangement's angle steel structure, the angle steel structure slope is set for, forms triangle-shaped with dysmorphism four-wire cross arm structure and wire pole body.

The improved structure is characterized in that one end of each angle steel structure is fixed with the first horizontal cross arm and the second horizontal cross arm respectively, the other end of each angle steel structure is connected with the second hoop structure, and the second hoop structure is fixed on the electric wire rod body.

In a further improvement, a 10kv pole-mounted circuit breaker is fixed below the lower 10kv line and on the electric wire rod body.

The utility model provides a pair of high-low pressure is with pole and put up circuit structure, including the 0.4kv enhancement cross arm structure of lateral expenditure cross arm in this structure, realized paying the body of rod side with interconnecting link between upper 10kv circuit and the lower floor 10kv circuit, the circuit moves towards clearly clean and tidy, reforms transform the cost and hangs down.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a left side view of a high-voltage and low-voltage on-tower parallel line structure according to an embodiment of the present disclosure;

fig. 2 is a front view of a high-low voltage on-tower parallel circuit structure according to an embodiment of the present disclosure;

fig. 3 is a side view of a special-shaped four-wire cross arm structure according to an embodiment of the present disclosure;

fig. 4 is a top view of a reinforced support structure provided by an embodiment of the present disclosure;

fig. 5 is a partial schematic structural diagram of a special-shaped four-wire cross arm structure provided by an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of systems consistent with certain aspects of the invention, as detailed in the appended claims.

In order to solve the problem that a 10kV line and a low-voltage 0.4kV double-layer line on the same pole often conflict in the prior art, the embodiment provides a high-low voltage on-pole parallel line structure, as shown in fig. 1-5, specifically, an upper layer 10kV line 1, a 0.4kV line 2 and a lower layer 10kV line 3 are sequentially arranged on a telegraph pole 4 from top to bottom, wherein the 0.4kV line 3 is fixed on the telegraph pole through a special-shaped four-wire cross arm structure; the special-shaped four-wire cross arm structure is shown in figures 3-5 and comprises a first horizontal cross arm 21 and a second horizontal cross arm 22 which are arranged in parallel, wherein the first horizontal cross arm 21 and the second horizontal cross arm 22 are respectively positioned at two sides of a telegraph pole 4 body, a first hoop structure is fixed between the first horizontal cross arm 21 and the second horizontal cross arm 22, and the special-shaped four-wire cross arm structure is fixed on the telegraph pole 4 through the first hoop structure; one ends of the first horizontal cross arm 21 and the second horizontal cross arm 22 are fixedly connected with a third horizontal cross arm 23, and the third horizontal cross arm 23 is vertically fixed with the first horizontal cross arm 21 and the second horizontal cross arm 22 respectively; the third cross arm 23 is located on the side of the utility pole 4, and the connection line between the upper 10kv line 1 and the lower 10kv line 3 is extended to the side of the utility pole 4 and is connected to the terminal on the third cross arm 23.

In fig. 1 and 2, the positions of an upper 10kv line 1 and a lower 10kv line 3 are both 10kv three-wire cross arms, and a cross arm three 23 is a three-wire cross arm;

in order to adapt to the radian of the line, an inclination angle is arranged between one end of the first horizontal cross arm 21 and one end of the second horizontal cross arm 22 which are connected with the third horizontal cross arm 23 and the horizontal direction, and the angle is 15 degrees.

In order to further make special-shaped four-wire cross arm stable in structure fix on the electric wire body of rod, special-shaped four-wire cross arm structure below still is equipped with consolidates bearing structure, consolidates bearing structure and includes two parallel arrangement's angle steel structure 241, and the angle steel structure 241 slope is set for, forms triangle-shaped with special-shaped four-wire cross arm structure and wire pole body. The structure is triangular, so that the structure is more stable, and the reinforced support structure can be kept not to deform for a long time;

one end of the angle steel structure is fixed with the first horizontal cross arm 21 and the second horizontal cross arm 22 respectively, the other end of the angle steel structure is connected with the second hoop structure 25, and the second hoop structure 25 is fixed on the electric wire rod body.

And a 10kv pole upper breaker 24 is fixed below the lower 10kv line and on the electric wire rod body and is used for sectionally outgoing.

Use the utility model discloses a structural style, on the basis of the minimize investment, clearly connected the upper and lower layer 10kV cross arm of same pole and frame neatly to circuit safe distance has been guaranteed. This embodiment adopts a dysmorphism four-wire cross arm structure, is 0.4kV four-wire cross arm, and its side expends the three-wire cross arm of 10kV, expends the interconnecting link between upper 10kV and the lower floor 10kV to the body of rod side. The transformation cost is far lower than the price of a newly-built section of cable in the prior art, and the finally realized line trend is clear and tidy.

The insulator direction on the cross arm in this embodiment is adjusted according to actual conditions.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A high-voltage and low-voltage same-pole parallel line structure is characterized in that an electric pole is sequentially provided with an upper layer 10kV line, a 0.4kV line and a lower layer 10kV line from top to bottom, wherein the 0.4kV line is fixed on the electric pole through a special-shaped four-line cross arm structure; the special-shaped four-wire cross arm structure comprises a first horizontal cross arm and a second horizontal cross arm which are arranged in parallel, the first horizontal cross arm and the second horizontal cross arm are respectively positioned on two sides of a wire rod body, a first hoop structure is fixed between the first horizontal cross arm and the second horizontal cross arm, and the special-shaped four-wire cross arm structure is fixed on a wire pole through the first hoop structure; one end of the horizontal cross arm I and one end of the horizontal cross arm II are fixedly connected with a cross arm III, and the cross arm III is vertically fixed with the horizontal cross arm I and the horizontal cross arm II; the third cross arm is located on the side face of the electric wire rod body, and a connecting circuit between the upper layer 10kv circuit and the lower layer 10kv circuit is extended to the side face of the electric wire rod body and is connected to the wiring terminal on the third cross arm together.

2. The high-low voltage on-pole parallel line structure according to claim 1, wherein an inclination angle is provided between one end of the first horizontal cross arm and one end of the second horizontal cross arm connected with the third horizontal cross arm and the horizontal direction, and the angle is 15 degrees.

3. The high-low voltage on-pole parallel line structure according to claim 1, wherein the special-shaped four-line cross arm structure further comprises a reinforcing support structure, the reinforcing support structure comprises two parallel-arranged angle steel structures, and the angle steel structures are obliquely arranged and form a triangle with the special-shaped four-line cross arm structure and the telegraph pole body.

4. The high-low voltage on-pole parallel line structure according to claim 3, wherein one end of each of the two angle steel structures is fixed to the first horizontal cross arm and the second horizontal cross arm, and the other end of each of the two angle steel structures is connected to the second hoop structure, and the second hoop structure is fixed to the electric wire pole body.

5. The high-low voltage on-pole parallel line structure according to claim 1, wherein a 10kv pole-on-pole breaker is fixed on a wire pole body below the lower layer 10kv line.