CN203603580U - 110 kv double-loop double-branch angle steel combination tower - Google Patents

Abstract

The utility model discloses a structure of a power transmission tower, in particular to a 110 kV double circuit double branch angle steel combined tower. It consists of a truss structure tower composed of angle steel. Eight layers of horizontal cross-arms composed of angle steel are arranged on the top of the tower body. Two ends of each cross-arm are respectively provided with an end hanging point; the uppermost two floors are The horizontal arms of the ground wires form a 90-degree angle between the ground wire cross-arms; the lower six layers are wire cross-arms, and each two layers of wire cross-arms form a 90-degree angle between the horizontal arms. The utility model has the advantages of: 1. The branch of the 110 kV double-circuit line is realized on a base tower, which saves land resources; 2. The angle steel combined structure is convenient for processing, transportation and installation, and compared with the steel pipe pole type, it can It can withstand greater wire tension and has a wider range of use; 3. The main material is Q420 high-strength steel, which is 10% lighter than ordinary steel, and the material cost is low.

Description

110 kV double circuit double branch angle steel composite tower

technical field

The utility model relates to a structure of a power transmission tower, in particular to a 110 kV double-circuit double-branch angle steel composite tower, which belongs to the technical field of power transmission equipment.

Background technique

In order to save land resources, the 110 kV transmission line is basically constructed according to the double circuit on the same tower; with the acceleration of the construction of the transmission network, how to branch from the 110 kV double circuit transmission line has become a new topic for the power planning and design department; the existing There are the following problems to be solved in the technology: a base tower is provided with 6 layers of conductor cross-arms, and the adjacent upper and lower cross-arms form an angle of 90 degrees, and the double branch of the double-circuit line is realized on a base tower. Still can't better satisfy above-mentioned use requirement.

Contents of the invention

The technical problem to be solved by the utility model is to provide a 110 kV double-circuit double-branch angle-steel composite tower with reasonable height, large tension and wide application range.

In order to solve the above-mentioned technical problems, the 110 kV double-circuit double-branch angle steel composite tower of the present invention includes a truss structure tower body with angle steel combination, and eight layers of horizontal angle steel combination cross arms are arranged from top to bottom on the top of the tower body. Each end of each cross-arm is provided with a terminal hanging point respectively; the uppermost two layers are ground wire cross-arms, and the horizontal angle between the ground wire cross-arms is 90 degrees; the lower six layers are wire cross-arms, There is a ninety-degree angle between the cross-arms of every two layers of conductors below.

The length of the first floor from top to bottom on one side of the tower is 3.8 meters, the length of the second floor from top to bottom on one side of the tower is 3.8 meters, and the length of the third floor from top to bottom The length of the cross arm on one side of the tower is 4.1 meters, the length of the fourth floor cross arm from top to bottom is 3.4 meters on one side of the tower, and the fifth floor cross arm from top to bottom is on one side of the tower. The length is 4.3 meters, the length of the sixth floor cross arm from top to bottom is 3.9 meters on one side of the tower body, and the length of the seventh floor cross arm from top to bottom is 4.5 meters on one side of the tower body. The length of the lower eighth floor crossarm on one side of the tower is 4.5 meters.

The truss structure tower body is made of Q420 high-strength steel material.

The advantages of the utility model are: 1. The branch of the 110 kV double-circuit line is realized on a base tower, which saves land resources; 2. The angle steel combined structure is convenient for processing, transportation and installation, and compared with the steel pipe pole type, it can It can withstand greater wire tension and has a wider range of use; 3. The main material is Q420 high-strength steel, which is 10% lighter than ordinary steel, and the material cost is low.

Description of drawings

Fig. 1 is the front view structure schematic diagram of the utility model 110 kilovolt double-circuit double-branch angle-steel composite tower;

Fig. 2 is a side view structural diagram of a 110 kV double circuit double branch angle steel composite tower of the utility model.

Detailed ways

The 110 kV double-circuit double-branch angle-steel composite tower of the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

As shown in the figure, the 110 kV double-circuit double-branch angle steel composite tower of the present utility model includes a truss structure tower body 1 with angle steel combination. The truss structure tower body 1 is made of Q420 high-strength steel material, and the upper part of the tower body 1 is There are eight layers of horizontal cross-arms 2 composed of angle steels arranged at the bottom, and an end hanging point 3 is respectively set at both ends of each cross-arm; The horizontal angle between them is 90 degrees; the lower six layers are wire cross-arms, and the horizontal angle between each two layers of wire cross-arms is 90 degrees, that is, the two adjacent cross-arms are connected to each other. vertical set.

Among them, the length of the first horizontal arm from top to bottom on one side of the tower is 3.8 meters, the length of the second horizontal arm from top to bottom on one side of the tower is 3.8 meters, and the length of the second horizontal arm from top to bottom is 3.8 meters. The length of the three-story crossarm on one side of the tower is 4.1 meters, the length of the fourth-story crossarm from top to bottom on one side of the tower is 3.4 meters, and the fifth-story crossarm from top to bottom is on the single side of the tower. The length of the side is 4.3 meters, the length of the sixth floor cross arm from top to bottom is 3.9 meters on one side of the tower body, and the length of the seventh floor cross arm from top to bottom is 4.5 meters on one side of the tower body. The length of the cross arm on the eighth floor from top to bottom is 4.5 meters on one side of the tower.

Claims (3)

1. A 110 kV double-circuit double-branch angle steel composite tower, including a truss structure tower body (1) with angle steel combination, the upper part of the tower body (1) is arranged from top to bottom with eight horizontal horizontal arms of angle steel combination ( 2), each end of each cross-arm is provided with an end hanging point (3); the characteristic is that: the uppermost two layers are ground wire cross-arms, and the horizontal angle between the ground wire cross-arms is 90 degrees; its The lower six layers are conductor cross-arms, and the horizontal angle between each two layers of conductor cross-arms from top to bottom is 90 degrees. 2. According to the 110 kV double circuit double branch angle steel combined tower according to claim 1, it is characterized in that: the length of the first floor cross arm from top to bottom on one side of the tower body is 3.8 meters, and the length from top to bottom The length of the second layer cross arm on one side of the tower body is 3.8 meters, the length of the third layer cross arm from top to bottom on one side of the tower body is 4.1 meters, and the fourth layer cross arm from top to bottom is on the tower body. The length of one side is 3.4 meters, the length of the fifth floor cross arm from top to bottom is 4.3 meters on one side of the tower body, and the length of the sixth floor cross arm from top to bottom is 3.9 meters on one side of the tower body. The length of the seventh floor cross arm from top to bottom is 4.5 meters on one side of the tower body, and the length of the eighth floor cross arm from top to bottom is 4.5 meters on one side of the tower body. 3. The 110 kV double circuit double branch angle steel composite tower according to claim 1, characterized in that: the truss structure tower body (1) is made of Q420 high strength steel.

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