CN203603578U - Extra-high-voltage double-loop tension support - Google Patents

Abstract

The utility model discloses an ultra-high voltage double-circuit tension tower, which comprises a tower body arranged in the vertical direction, and a plurality of conducting wire cross-arms are sequentially arranged on the tower body along the vertical direction from top to bottom, and the tower body It is an angle steel tower body, the wire cross arm is an angle steel cross arm, and the tower body and each angle steel piece of each wire cross arm are connected by bolts or welded. During the working process, the tower body and the wire cross-arm with such an angle steel structure can use bolt connection as the main assembly form, thereby greatly reducing the number of welding processes and effectively simplifying the UHV double circuit The assembly process of the tension tower; at the same time, the weight of the tower body and the wire cross-arm of this angle steel structure is relatively small, which is convenient for pick-and-place and transportation, so that the overall transportation and maintenance of the UHV double-circuit tension tower The assembly process is simpler and easier.

Description

A UHV dual-circuit strain tower

technical field

The utility model relates to the technical field of supporting equipment for power transmission and transformation systems, in particular to an ultra-high voltage double-circuit tension tower.

Background technique

In the power transmission and transformation system, the double-circuit strain tower is a very common UHV line support and connection equipment. With the continuous improvement of work requirements, the performance of the double-circuit strain tower has attracted increasing attention.

In the existing power transmission system at present, the tower body of the double-circuit tension tower is usually a steel pipe tower structure. Although the tower body of this steel pipe structure can meet the basic power transmission needs, due to the heavy weight , resulting in larger specifications of the main structure of the tower body, causing a lot of inconvenience to transportation and assembly operations. At the same time, more welding processes are required to be used in the assembly of steel pipe structures, which is difficult to process and adversely affects the corresponding construction.

Therefore, how to make the assembly and transportation of the UHV double-circuit strain tower easier and easier is an important technical problem to be solved by those skilled in the art.

Utility model content

The purpose of the utility model is to provide an ultra-high voltage double-circuit tension tower, which is relatively simple and easy to assemble and transport.

In order to solve the above technical problems, the utility model provides an ultra-high voltage double-circuit strain tower, which includes a tower body arranged in the vertical direction, on which a number of wire cross arms are arranged in sequence from top to bottom in the vertical direction , the tower body is an angle steel tower body, the wire cross arm is an angle steel cross arm, and the tower body and each angle steel piece of each wire cross arm are bolted or welded.

Preferably, the two ends of each of the wire cross-arms are provided with wire hanging points suitable for power transmission lines.

Preferably, the main material of the tower body is a four-piece cross-shaped angle steel structure.

Preferably, the oblique material of the tower body and the main material of the conductor cross-arm are any one of a single angle steel structure or a double T-shaped angle steel structure.

Preferably, the tower body is any one of Q235B angle steel tower body and Q345B angle steel tower body.

Preferably, the wire cross arm is any one of Q235B angle steel cross arm, Q345B angle steel cross arm, and Q420B angle steel cross arm.

Preferably, the single-variable double-angle steel joints of the tower body and the single-variable double-angle steel joints of the conductor cross-arm are plug-in angle steel structures connected by bolts.

Compared with the above-mentioned background technology, the UHV double-circuit strain tower provided by the utility model includes a tower body arranged in the vertical direction, on which a number of wire cross arms are arranged in sequence from top to bottom in the vertical direction, The tower body is an angle steel tower body, the wire cross arm is an angle steel cross arm, and the tower body and the angle steel parts of each wire cross arm are connected by bolts or welded. During the working process, the tower body and the wire cross-arm with such an angle steel structure can use bolt connection as the main assembly form, thereby greatly reducing the number of welding processes and effectively simplifying the UHV double circuit The assembly process of the tension tower; at the same time, the weight of the tower body and the wire cross-arm of this angle steel structure is relatively small, which is convenient for pick-and-place and transportation, so that the overall transportation and maintenance of the UHV double-circuit tension tower The assembly process is simpler and easier.

In another preferred solution of the present utility model, the two ends of each said wire cross-arm are provided with wire hanging points adapted to the transmission line. This kind of structure in which the wire hanging point is directly set on the wire cross arm can make the line erection without the need for line supporting structures such as vertical jumper brackets during the working process of the UHV double-circuit strain tower, so that all The overall structure of the UHV dual-circuit strain tower is further simplified.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Figure 1 is a schematic diagram of the assembly structure of the UHV dual-circuit strain tower provided by a specific embodiment of the present invention;

Fig. 2 is a schematic structural diagram of the single-variable double-angle steel node part of the UHV double-circuit strain tower provided by a specific embodiment of the utility model.

Detailed ways

The core of the utility model is to provide an ultra-high voltage double-circuit tension tower, which is relatively simple and easy to assemble and transport.

In order to enable those skilled in the art to better understand the solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 , which is a schematic diagram of the assembly structure of the UHV double-circuit strain tower provided by a specific embodiment of the present invention.

In a specific embodiment, the ultra-high voltage double-circuit strain tower provided by the utility model includes a tower body 11 arranged in the vertical direction, and a number of wire cross arms are arranged in sequence on the tower body 11 along the vertical direction from top to bottom. 12. The tower body 11 is an angle steel tower body, the wire cross arm 12 is an angle steel cross arm, and the tower body 11 and each angle steel piece of each wire cross arm 12 are bolted or welded. During the working process, the tower body 11 and the wire cross arm 12 with this kind of angle steel structure can use bolt connection as the main assembly form, thereby greatly reducing the number of times the welding process is carried out, and effectively simplifying the tensile strength of the UHV double circuit. The assembly process of the tower; at the same time, the weight of the tower body and the wire cross-arm of this angle steel structure is small, which is convenient for pick-and-place and transportation, so that the overall transportation and assembly process of the UHV double-circuit strain tower Easier and easier to do.

Further, the two ends of each conductor cross arm 12 are provided with conductor hanging points 121 adapted to the transmission line. This structure in which the wire hanging point 121 is directly arranged on the wire cross arm 12 can enable the erection of the line without the need for a line support structure such as a vertical jumper bracket during the working process of the UHV double-circuit tension tower, thereby The overall structure of the UHV double-circuit strain tower can be further simplified.

On the other hand, the main material of the tower body 11 is a four-piece cross-shaped angle steel structure. This four-piece cross-shaped angle steel structure has high strength, and the assembly structure is relatively stable and reliable.

In addition, the oblique material of the tower body 11 and the main material of the wire cross arm 12 are either a single angle steel structure or a double T-shaped angle steel structure. This kind of single-angle steel structure or double T-shaped steel angle structure is relatively light and reliable, and can further reduce the overall weight of the UHV double-circuit strain tower while meeting the assembly strength requirements.

In addition, the tower body 11 is any one of the Q235B angle steel tower body and the Q345B angle steel tower body. Of course, the tower body 11 is not limited to the above-mentioned Q235B angle steel tower body and Q345B angle steel tower body, as long as it can meet the actual use requirements of the UHV dual-circuit strain tower.

More specifically, the wire cross arm 12 is any one of Q235B angle steel cross arm, Q345B angle steel cross arm, and Q420B angle steel cross arm. Of course, the wire cross arm 12 is not limited to the above-mentioned Q235B angle steel cross arm, Q345B angle steel cross arm, and Q420B angle steel cross arm, as long as it can meet the actual use needs of the UHV double-circuit strain tower. .

Please refer to FIG. 2 , which is a schematic structural diagram of the single-variable double-angle steel node part of the UHV double-circuit strain tower provided by a specific embodiment of the present invention.

The single-variable double-angle steel joints of the tower body 11 and the single-variable double-angle steel joints of the conductor cross-arm 12 are all plug-in angle steel structures connected by bolts. For ease of understanding, the above-mentioned single-variable double-angle steel node structure is now described in conjunction with FIG. 2 . As shown in FIG. 2 , the unilateral angle steel 21 and the combined angle steel 22 are directly inserted and fitted, and are fastened and connected by each bolt 23 to realize a stable assembly of the overall structure. This kind of plug-in assembly structure can realize the stable connection between the single-sided angle steel 21 and the combined angle steel 22 without setting a transverse connecting plate between the single-side angle steel 21 and the combined angle steel 22, so that the UHV double-circuit strain tower The overall structure is further simplified and its overall weight is reduced accordingly.

To sum up, it can be seen that the UHV double-circuit strain tower provided in the utility model includes a tower body arranged in the vertical direction, and a number of wire cross arms are arranged in sequence on the tower body along the vertical direction from top to bottom. The tower body is an angle steel tower body, the wire cross arm is an angle steel cross arm, and the tower body and the angle steel parts of each wire cross arm are connected by bolts or welded. During the working process, the tower body and the wire cross-arm with this angle steel structure can use bolt connection as the main assembly form, thereby greatly reducing the number of welding processes and effectively simplifying the UHV double circuit. The assembly process of the tension tower; at the same time, the weight of the tower body and the wire cross-arm of this angle steel structure is small, which is convenient for pick-up and transportation, so that the overall transportation and maintenance of the UHV double-circuit tension tower The assembly process is simpler and easier.

The UHV dual-circuit strain tower provided by the utility model has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present utility model, and the descriptions of the above embodiments are only used to help understand the method and core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made to the utility model, and these improvements and modifications also fall into the protection of the claims of the utility model. within range.

Claims (7)

1. an extra-high voltage double loop anchor support, comprise the tower body vertically arranging, on described tower body, be vertically disposed with some wire cross-arms from top to bottom, it is characterized in that: described tower body is angle steel tower body, described wire cross-arm is angle cross arm, is bolt connection or welding between each angle member of described tower body and each described wire cross-arm.

2. extra-high voltage as claimed in claim 1 double loop anchor support, is characterized in that: the both ends of each described wire cross-arm are provided with the conducting wire hanging point suitable with transmission line of electricity.

3. extra-high voltage as claimed in claim 1 double loop anchor support, is characterized in that: the main material of described tower body is the cross steel angle structure of four spellings.

4. extra-high voltage as claimed in claim 1 double loop anchor support, is characterized in that: the oblique material of described tower body and the main material of described wire cross-arm are any in single angle structure or the T-shaped steel angle structure of Two bors d's oeuveres.

5. extra-high voltage as claimed in claim 1 double loop anchor support, is characterized in that: described tower body is any in Q235B angle steel tower body, Q345B angle steel tower body.

6. extra-high voltage as claimed in claim 1 double loop anchor support, is characterized in that: described wire cross-arm is any in Q235B angle cross arm, Q345B angle cross arm, Q420B angle cross arm.

7. the extra-high voltage double loop anchor support as described in any one in claim 1 to 6, is characterized in that: the monotropic double angle node of the monotropic double angle node of described tower body, described wire cross-arm is all for by bolted splicing type steel angle structure.

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