CN205077946U - 220kV overhead line and cable run connect cable of usefulness and step on tower - Google Patents

Abstract

The utility model discloses a cable climbing tower for connecting 220kV overhead lines and cable lines. The two sides of the climbing tower body are provided with mutually symmetrical platforms, and the platform on one side of the climbing tower body is sequentially provided with lightning arresters and post insulators from inside to outside. , Cable outdoor terminal, there are 3 sets of brackets on both sides of the platform, the cable trench is located on the platform directly below the cable outdoor terminal, there is a hollow iron fence around the body of the climbing tower, an electronic fence is installed above the hollow iron fence, and there is an electric fence below the platform. There is a climbing ladder connecting the ground and the platform. The utility model is easy to install, saves floor space, facilitates personnel to work on the platform, and has strong practicability.

Description

Cable climbing tower for connection of 220kV overhead lines and cable lines

technical field

The utility model relates to the field of electric power engineering installation, in particular to a cable climbing tower for connecting 220kV overhead lines and cable lines.

Background technique

With the development of society and economy, land resources are becoming more and more expensive. The traditional way of undergrounding overhead lines is the cable terminal field. This method occupies a large area and poses a threat to personal and equipment safety. Too long down conductors may easily lead to wind deflection. The gap is not enough, and the long-term swing by the wind force causes fatigue damage to the clamp of the cable terminal head. With the continuous advancement of urban power grid construction and the continuous deepening of urban power grid line transformation, overhead lines and cable hybrid lines are used more and more beside urban roads. How to solve the problems of land acquisition and cable tower climbing and speed up the cutover project The progress of this situation needs to be resolved urgently.

In order to solve the above problems, the purpose of this utility model is to provide a cable climbing tower for connecting 220kV overhead lines and cable lines, which is easy to install, saves floor space, facilitates personnel to work on the platform, and has strong practicability.

Utility model content

In view of the above-mentioned defects of the prior art, the technical problem to be solved by the utility model is to provide a 220kV overhead line and cable line connection that is convenient for installation, saves floor space, facilitates personnel to work on the platform, and has strong practicability. Cable tower.

In order to achieve the above purpose, the utility model provides a cable climbing tower for connecting 220kV overhead lines and cable lines, including a climbing tower body, two sides of the climbing tower body are provided with mutually symmetrical platforms, and the platform on one side of the climbing tower body There are lightning arresters, post insulators, and cable outdoor terminals in order from the inside to the outside. There are 3 brackets on both sides of the platform. The cable trench is located on the platform directly below the cable outdoor terminals. There is a wall around the tower body, and the bottom of the wall is hollowed out. For the fence, there is an electronic fence above the hollow iron fence, and there is also a ladder connecting the ground and the platform below the platform.

Further, the platform is drawn outward from the main body of the climbing tower 12m above the ground.

Further, the length, width and height of the platform are 10m×7.75m×2m.

Furthermore, the height of the arrester is 2.4m, the creepage distance is 7812mm, and the nominal discharge current is 10kA.

Furthermore, the creepage distance of the cable outdoor terminal is not less than 7850mm.

Further, the rated bending load of the post insulator is not less than 8kN.

Furthermore, the length and width of the cable trench are 2m×8m, the height of the hollow iron fence is 3m, and the height of the electronic fence is 1.5m.

Further, there are 3 pairs of supports from the tower climbing platform to the ground, and the supports are connected and fixed by cross arms to ensure the strength of the supports.

The beneficial effects of the utility model:

Both sides of the climbing tower body of the utility model are provided with mutually symmetrical platforms, and the platform on one side of the climbing tower body is provided with lightning arresters, pillar insulators, and cable outdoor terminals in sequence from the inside to the outside. Located on the platform directly below the outdoor cable terminal, there is a hollow iron fence around the climbing tower body, an electronic fence above the hollow iron fence, and a ladder connecting the ground and the platform below the platform, which is easy to install and saves space. Small size, convenient for people to work on the platform, and strong practicability.

The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Description of drawings

Fig. 1 is a top view of the platform structure of the present invention.

Fig. 2 is a structural schematic diagram of the utility model.

Fig. 3 is a structural schematic diagram of the utility model.

detailed description

As shown in Figures 1-3, a cable climbing tower for connecting 220kV overhead lines and cable lines includes a climbing tower body 1, and mutually symmetrical platforms 2 are arranged on both sides of the climbing tower body 1, and the climbing tower The platform 2 on one side of the main body 1 is provided with a lightning arrester 3, a post insulator 4, and an outdoor cable terminal 5 in order from the inside to the outside. There are three brackets 6 on both sides of the platform 2, and the cable trench 7 is located at the front of the cable outdoor terminal 5. On the platform 2 below, a wall 8 is provided around the tower body 1, and the bottom of the wall 8 is a hollow iron fence 81, an electronic fence 82 is arranged above the hollow iron fence 81, and an electronic fence 82 is arranged below the platform 2. The climbing ladder 9 that connects ground and platform.

In the further optimized technical solution of the utility model, the platform 2 is drawn outward from the climbing tower body 1 at 12m above the ground, and the length, width and height of the platform 2 are 10m×7.75m×2m. In this embodiment, the arrester 3 has a height of 2.4m, a creepage distance of 7812mm, and a nominal discharge current of 10kA.

In addition, the creepage distance of the cable outdoor terminal 5 is not less than 7850mm, and the rated bending load of the post insulator 4 is not less than 8kN.

The length and width of the cable trench 7 used in this embodiment are 2m×8m, the height of the hollow iron fence is 3m, and the height of the electronic fence is 1.5m.

Further, there are 3 pairs of supports from the tower climbing platform to the ground, and the supports are connected and fixed by cross arms to ensure the strength of the supports.

Both sides of the climbing tower body of the utility model are provided with mutually symmetrical platforms, and the platform on one side of the climbing tower body is provided with lightning arresters, pillar insulators, and outdoor cable terminals in sequence from the inside to the outside. On the platform directly below the outdoor cable terminal, there is a hollow iron fence around the climbing tower body, an electronic fence above the hollow iron fence, and a ladder connecting the ground and the platform below the platform, which makes it easy to install and saves space. It has the advantages of large floor area, convenience for personnel to work on the platform, and strong practicability.

The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present utility model without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the scope of protection defined by the claims .

Claims (8)

1. A cable climbing tower for connecting 220kV overhead lines and cable lines, comprising a climbing tower body, characterized in that: the both sides of the climbing tower body are provided with mutually symmetrical platforms, and the platform on one side of the climbing tower body Arresters, post insulators, and cable outdoor terminals are arranged sequentially from the inside to the outside. There are 3 sets of brackets on both sides of the platform. The cable trench is located on the platform directly below the cable outdoor terminal. A wall is provided around the climbing tower body. The bottom of the wall is a hollowed-out iron fence, an electronic fence is arranged above the hollowed-out iron fence, and a ladder connecting the ground and the platform is arranged under the platform. 2. The cable climbing tower for connecting 220kV overhead lines and cable lines according to claim 1, characterized in that: the platform is drawn out from the climbing tower body at 12m above the ground. 3. The cable climbing tower for connecting 220kV overhead lines and cable lines according to claim 2, characterized in that: the length, width and height of the platform are 10m×7.75m×12m. 4. The cable climbing tower for connecting 220kV overhead lines and cable lines according to claim 1, characterized in that: the height of the arrester is 2.4m, the creepage distance is 7812mm, and the nominal discharge current is 10kA. 5. The cable climbing tower for connecting 220kV overhead lines and cable lines according to claim 1, characterized in that: the climbing distance of the outdoor terminal of the cable is not less than 7850mm. 6. The cable climbing tower for connecting 220kV overhead lines and cable lines according to claim 1, characterized in that: the rated bending load of the post insulator is not less than 8kN. 7. The cable climbing tower for connecting 220kV overhead lines and cable lines as claimed in claim 1, characterized in that: the length and width of the cable trench are 8m × 2m, the height of the hollow iron fence is 3m, and the height of the electronic fence is 1.5m. 8. The cable climbing tower for 220kV overhead line and cable line connection as claimed in claim 1 is characterized in that: there are 3 pairs of supports on the said climbing platform to the ground, and the supports are connected and fixed by cross arms to ensure The strength of the bracket.