CN203924856U - A 1000kV/500kV tensile steel pipe tower - Google Patents

Abstract

The utility model discloses a 1000kV/500kV strain steel pipe tower, wherein a tower body is sequentially provided with a ground wire cross arm, a first wire cross arm, a second wire cross arm, a third wire cross arm, a fourth wire cross arm and a fifth wire cross arm from top to bottom; and each wire cross arm is respectively connected with a ground wire suspension device matched with a ground wire circuit, a first wire suspension device matched with a 1000kV upper wire circuit, a second wire suspension device matched with a 1000kV middle wire circuit, a third wire suspension device matched with a 1000kV lower wire circuit, a fourth wire suspension device matched with a 500kV upper wire circuit and a fifth wire suspension device matched with a 500kV lower wire circuit. The 1000kV/500kV strain steel pipe tower simultaneously realizes the same tower erection of a 1000kV line and a 500kV line.

Description

A 1000kV/500kV tensile steel pipe tower

technical field

The utility model relates to the technical field of supporting equipment for power transmission and transformation systems, in particular to a 1000kV/500kV tension-resistant steel pipe tower.

Background technique

In the power transmission and transformation system, the tensile steel pipe tower is a very common support and connection equipment for ultra-high voltage and ultra-high voltage lines. With the continuous improvement of work requirements, the performance of the tensile steel pipe tower has attracted more and more attention.

In the current existing power transmission system, the 1000kV power transmission line and the 500kV power transmission line are realized by erecting separate towers. Its multiple sets of equipment require a larger area, resulting in a waste of land resources, and a greater impact on the surrounding environment, causing a lot of inconvenience to related production and living and urban planning.

Therefore, how to realize the erection of the 1000kV line and the 500kV line on the same tower 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 a 1000kV/500kV tensile steel pipe tower, which can realize the erection of 1000kV lines and 500kV lines on the same tower.

In order to solve the above technical problems, the utility model provides a 1000kV/500kV tensile steel pipe tower, which includes a tower body arranged along the vertical direction. Bearing, the second conductor cross arm, the third conductor cross arm, the fourth conductor cross arm and the fifth conductor cross arm;

The bottom of the first conductor cross-arm is connected with the first conductor suspension device suitable for the 1000kV upper conductor circuit, and the bottom of the second conductor cross-arm is connected with the second conductor suspension device suitable for the 1000kV medium conductor circuit. The bottom of the third conductor cross-arm is connected with the third conductor suspension device suitable for the 1000kV lower conductor line, and the bottom of the fourth conductor cross-arm is connected with the fourth conductor adaptable for the 500kV upper conductor A wire suspension device, the fifth wire suspension device adapted to the 500kV lower wire line is connected to the bottom of the fifth wire cross arm;

A ground wire cross arm is provided above the first wire cross arm, and ground wire suspension devices matching the ground wire lines are respectively provided at both ends of the ground wire cross arm.

Preferably, the horizontal length of the fourth wire cross-arm is greater than the horizontal length of the fifth wire cross-arm.

Preferably, the first wire suspension device, the second wire suspension device, the third wire suspension device, the fourth wire suspension device, and the fifth wire suspension device are double hanging point wire suspension devices .

Preferably, the section of the tower body in the horizontal direction is square.

Preferably, the tower body is any one of Q235B steel pipe tower body, Q345B steel pipe tower body, and Q420B steel pipe tower body.

Preferably, the ground wire cross-arm, the first wire cross-arm, the second wire cross-arm, the third wire cross-arm, the fourth wire cross-arm and the fifth wire cross-arm are all It is any one of Q235B angle steel cross arm, Q345B angle steel cross arm and Q420B angle steel cross arm.

Compared with the above-mentioned background technology, the 1000kV/500kV tensile steel pipe tower provided by the utility model includes a tower body arranged in the vertical direction, and the first conductor cross-arms are arranged in sequence from top to bottom along the vertical direction on the tower body , the second conductor cross arm, the third conductor cross arm, the fourth conductor cross arm and the fifth conductor cross arm; the first conductor suspension device adapted to the 1000kV upper conductor line is connected below the first conductor cross arm , the second conductor cross-arm is connected with a second conductor suspension device suitable for the 1000kV medium conductor line, and the third conductor cross-arm is connected with a third conductor suitable for the 1000kV medium conductor circuit Suspension device, the bottom of the fourth conductor cross-arm is connected with the fourth conductor suspension device suitable for the 500kV upper conductor circuit, and the bottom of the fifth conductor cross-arm is connected with the first Five wire suspension devices; above the first wire cross arm, a ground wire cross arm is provided, and the two ends of the ground wire cross arm are respectively provided with ground wire suspension devices suitable for the ground wire circuit. During the working process, the first conductor crossarm, the second conductor crossarm and the third conductor crossarm can pass through the first conductor suspension device, the second conductor suspension device and the third conductor The suspension device realizes the erection of the 1000kV line; at the same time, the fourth conductor crossarm and the fifth conductor crossarm can realize the erection of the 500kV line through the fourth conductor suspension device and the fifth conductor suspension device, Thus, the 1000kV/500kV tensile steel pipe tower realizes the erection of the 1000kV line and the 500kV line on the same tower at the same time, which avoids the excessively large occupied area caused by the erection of separate towers, effectively saves land resources, and makes the power transmission line The impact on the environment is reduced accordingly.

In another preferred solution of the present utility model, the horizontal length of the fourth wire cross-arm is greater than the horizontal length of the fifth wire cross-arm. This structure can ensure that all the wire suspension devices adapted to the 500kV line are arranged on the cross-arm, and at the same time effectively shorten the longitudinal distance between the fourth wire cross-arm and the fifth wire cross-arm, so that the 1000kV The overall height of the tower body of the /500kV tension steel pipe tower is correspondingly reduced, so that the overall manufacturing cost of the 1000kV/500kV tension steel pipe tower is correspondingly reduced.

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.

Fig. 1 is a schematic diagram of the assembly structure of a 1000kV/500kV tensile steel pipe tower provided by a specific embodiment of the present invention.

Detailed ways

The core of the utility model is to provide a 1000kV/500kV tensile steel pipe tower, which can realize the erection of 1000kV lines and 500kV lines on the same tower.

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 a 1000kV/500kV steel pipe tower for tension resistance provided by a specific embodiment of the present invention.

In a specific embodiment, the 1000kV/500kV tensile steel pipe tower provided by the utility model includes a tower body 11 arranged in the vertical direction. 21, the second wire cross arm 22, the third wire cross arm 23, the fourth wire cross arm 24 and the fifth wire cross arm 25; the lower part of the first wire cross arm 21 is connected with the 1000kV upper wire line. The first wire suspension device 211, the second wire suspension device 221 suitable for the 1000kV medium wire line is connected under the second wire cross arm 22, and the second wire suspension device 221 suitable for the 1000kV medium wire line is connected under the third wire cross arm 23 The third wire suspension device 231 is equipped, the fourth wire suspension device 241 suitable for the 500kV upper wire line is connected to the bottom of the fourth wire cross arm 24, and the 500kV lower wire line is connected to the bottom of the fifth wire cross arm 25 Matching fifth wire suspension device 251; the top of the first wire cross arm 21 is provided with a ground wire cross arm 26, and the two ends of the ground wire cross arm 26 are respectively provided with ground wire suspensions suitable for the ground wire circuit. Device 261. During the working process, the first wire cross arm 21, the second wire cross arm 22 and the third wire cross arm 23 can realize the 1000kV line through the first wire suspension device 211, the second wire suspension device 221 and the third wire suspension device 231. At the same time, the fourth wire cross arm 24 and the fifth wire cross arm 25 can realize the erection of the 500kV line through the fourth wire suspension device 241 and the fifth wire suspension device 251, so that the 1000kV/500kV tensile steel pipe The tower realizes the erection of 1000kV line and 500kV line on the same tower at the same time, which avoids the excessive land occupation caused by the erection of separate towers, effectively saves land resources, and reduces the impact of power transmission lines on the surrounding environment accordingly.

Further, the horizontal length of the fourth wire cross-arm 24 is greater than the horizontal length of the fifth wire cross-arm 25 . This structure can ensure that all the wire suspension devices adapted to the 500kV line are arranged on the cross arm, and at the same time effectively shorten the longitudinal distance between the fourth wire cross arm 24 and the fifth wire cross arm 25, so that the 1000kV/500kV The overall height of the tower body of the tension steel pipe tower is correspondingly reduced, so that the overall manufacturing cost of the 1000kV/500kV tension steel pipe tower is correspondingly reduced.

On the other hand, the first wire suspension device 211 , the second wire suspension device 221 , the third wire suspension device 231 , the fourth wire suspension device 241 and the fifth wire suspension device 251 are all double hanging point wire suspension devices. The structure of the double hanging point wire suspension device is relatively stable and reliable, so that the overall line erection stability and reliability of the 1000kV/500kV steel pipe tower can be improved accordingly.

In addition, the cross section of the tower body 11 in the horizontal direction is a square. This square cross-sectional structure can effectively improve the longitudinal tension resistance of the tower body 11 , so that the overall structural strength of the 1000kV/500kV tension steel pipe tower can be correspondingly improved.

In addition, the tower body 11 is any one of a Q235B steel pipe tower body, a Q345B steel pipe tower body, and a Q420B steel pipe tower body. Of course, the tower body 11 is not limited to the above-mentioned Q235B steel pipe tower body, Q345B steel pipe tower body, and Q420B steel pipe tower body, as long as it can meet the actual use requirements of the 1000kV/500kV steel pipe tower.

More specifically, the ground wire cross-arm 26, the first wire cross-arm 21, the second wire cross-arm 22, the third wire cross-arm 23, the fourth wire cross-arm 24 and the fifth wire cross-arm 25 are all Q235B angle steel cross-arms , Q345B angle steel cross arm, any one of Q420B angle steel cross arm. Of course, the first wire cross-arm 21, the second wire cross-arm 22, the third wire cross-arm 23, the fourth wire cross-arm 24 and the fifth wire cross-arm 25 are not limited to the above-mentioned Q235B angle steel cross-arm , Q345B angle steel cross arm, Q420B angle steel cross arm, as long as they can meet the actual use needs of the 1000kV/500kV tensile steel pipe tower.

In summary, the 1000kV/500kV tensile steel pipe tower provided in the utility model includes a tower body arranged in the vertical direction, and the first conductor cross-arm, The second conductor cross arm, the third conductor cross arm, the fourth conductor cross arm and the fifth conductor cross arm; the first conductor suspension device adapted to the 1000kV upper conductor line is connected below the first conductor cross arm, The second wire suspension device suitable for the 1000kV medium wire line is connected to the bottom of the second wire cross arm, and the third wire suspension device suitable for the 1000kV low wire line is connected to the bottom of the third wire cross arm. device, the fourth wire cross arm is connected with a fourth wire suspension device suitable for the 500kV upper wire line, and the fifth wire cross arm is connected with a fifth wire suspension device suitable for the 500kV lower wire line. Conductor suspension device: a ground wire cross arm is provided above the first wire cross arm, and ground wire suspension devices adapted to the ground wire circuit are respectively provided at both ends of the ground wire cross arm. During the working process, the first conductor crossarm, the second conductor crossarm and the third conductor crossarm can pass through the first conductor suspension device, the second conductor suspension device and the third conductor The suspension device realizes the erection of the 1000kV line; at the same time, the fourth conductor crossarm and the fifth conductor crossarm can realize the erection of the 500kV line through the fourth conductor suspension device and the fifth conductor suspension device, Thus, the 1000kV/500kV tensile steel pipe tower realizes the erection of the 1000kV line and the 500kV line on the same tower at the same time, which avoids the excessively large occupied area caused by the erection of separate towers, effectively saves land resources, and makes the power transmission line The impact on the environment is reduced accordingly.

The 1000kV/500kV tensile steel pipe 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 (6)

1. A 1000kV/500kV tensile steel pipe tower is characterized in that: it includes a tower body arranged in the vertical direction, and the first conductor cross arm, the second conductor cross-arm, third conductor cross-arm, fourth conductor cross-arm and fifth conductor cross-arm; The bottom of the first conductor cross-arm is connected with the first conductor suspension device suitable for the 1000kV upper conductor circuit, and the bottom of the second conductor cross-arm is connected with the second conductor suspension device suitable for the 1000kV medium conductor circuit. The bottom of the third conductor cross-arm is connected with the third conductor suspension device suitable for the 1000kV lower conductor line, and the bottom of the fourth conductor cross-arm is connected with the fourth conductor adaptable for the 500kV upper conductor A wire suspension device, the fifth wire suspension device adapted to the 500kV lower wire line is connected to the bottom of the fifth wire cross arm; A ground wire cross arm is provided above the first wire cross arm, and ground wire suspension devices matching the ground wire lines are respectively provided at both ends of the ground wire cross arm. 2. The 1000kV/500kV tensile steel pipe tower according to claim 1, characterized in that: the horizontal length of the fourth conductor cross arm is greater than the horizontal length of the fifth conductor cross arm. 3. The 1000kV/500kV tensile steel pipe tower as claimed in claim 1, characterized in that: said first wire suspension device, said second wire suspension device, said third wire suspension device, said fourth wire suspension device Both the suspension device and the fifth wire suspension device are double hanging point wire suspension devices. 4. The 1000kV/500kV tensile steel pipe tower according to claim 1, characterized in that: the cross section of the tower body in the horizontal direction is a square. 5. The 1000kV/500kV tensile steel pipe tower according to claim 1, characterized in that: the tower body is any one of Q235B steel pipe tower body, Q345B steel pipe tower body, and Q420B steel pipe tower body. 6. The 1000kV/500kV tensile steel pipe tower according to claim 1, characterized in that: the ground wire cross arm, the first wire cross arm, the second wire cross arm, and the third wire cross arm The cross arm, the fourth wire cross arm and the fifth wire cross arm are any one of Q235B angle steel cross arm, Q345B angle steel cross arm, and Q420B angle steel cross arm.