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Tower head structure of electricity strain tower
CN103669972A
China
- Other languages
Chinese - Inventor
杨一敏 严水才 董金水 姜捷 姜贤彪 刘少霞 许晓峰 - Current Assignee
- JIANGSHAN ELECTRIC POWER DEVELOPMENT Co Ltd
- State Grid Corp of China SGCC
- State Grid Zhejiang Electric Power Co Ltd
- Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
- Jiangshan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Description
translated from Chinese
技术领域 technical field
本发明涉及一种输电线路设施电力耐张铁塔，尤其是涉及一种电力耐张铁塔的塔头结构。 The invention relates to a power tension steel tower for power transmission line facilities, in particular to a tower head structure of the power tension steel tower.
背景技术 Background technique
电力耐张铁塔包括塔脚、塔身和塔头三部分，塔头是输电线路的重要组成部分，起着支撑和架空电线的作用，确保电能安全可靠地输送到电网或用户。在本发明作出之前，由于电力耐张铁塔的横担采用吊杆式结构，受上层横担吊杆高度影响，需占用的垂直空间相对较大，因此，这种铁塔在相同呼称高条件下，总高相对增加，这对多回路铁塔来说尤其明显，而总高的增加，不仅提高了造价，还给设计、施工建设等带来了一系列影响。 The power tension tower consists of three parts: the tower foot, the tower body and the tower head. The tower head is an important part of the transmission line, which plays the role of support and overhead wires to ensure that electric energy is safely and reliably transmitted to the grid or users. Before the present invention was made, since the cross-arm of the electric tension tower adopts the boom structure, affected by the height of the upper cross-arm boom, the vertical space to be occupied is relatively large. The relative increase of the total height is especially obvious for multi-circuit iron towers, and the increase of the total height not only increases the cost, but also brings a series of impacts on design, construction and construction.
发明内容 Contents of the invention
为解决上述技术问题，本发明旨在提供一种结构新颖的电力耐张铁塔塔头结构，使用该塔头结构的耐张铁塔，在相同呼称高条件下，其总高相对较低，从而有利于降低造价，消除设计、施工建设和使用中一系列与总高相关的问题。 In order to solve the above-mentioned technical problems, the present invention aims to provide a novel structure of the tower head structure of the electric power tension tower. The tension tower using the tower head structure has a relatively low overall height under the condition of the same name height, so that there is It is beneficial to reduce the cost and eliminate a series of problems related to the overall height in design, construction and use.
为实现上述目的，本发明采用了如下技术方案： To achieve the above object, the present invention adopts the following technical solutions:
这种电力耐张铁塔塔头结构，包括塔的躯杆、以及横置在所述躯杆上的若干根横担，每根横担包括两根水平向设置的主材，其特征是：所述两根主材呈水平状平行设置，该两根主材的自由端分别由一根斜撑杆支撑，这些斜撑杆的另一端固定设置在所述主材下方的躯杆杆身上；所述两根主材之间由若干根横材连接成整体。 The tower head structure of this electric tension-resistant iron tower includes the trunk of the tower and several cross-arms placed horizontally on the trunk, each cross-arm includes two horizontally arranged main materials, and its characteristics are: The two main materials are horizontally arranged in parallel, and the free ends of the two main materials are respectively supported by a diagonal strut, and the other ends of these diagonal struts are fixedly arranged on the trunk shaft below the main material; The above two main materials are connected as a whole by several horizontal materials.
作为优选，所述横材的顶壁上固定设有柱式瓷绝缘子，该柱式瓷绝缘子设置在所述横材顶壁的横向对称线的中部，使重力均匀分布至横担。 Preferably, a pillar-type porcelain insulator is fixed on the top wall of the cross-member, and the pillar-type porcelain insulator is arranged in the middle of the transverse symmetry line of the top wall of the cross-member, so that the gravity is evenly distributed to the cross-arm.
作为优选，在所述主材和斜撑杆之间设有多根加强杆。 Preferably, a plurality of reinforcing rods are arranged between the main material and the diagonal bracing rods.
有益效果：与现有技术相比，本发明将吊杆横担改成斜撑杆结构的横担后，1、可降低最上部横担因设置吊杆所产生的那一段塔的躯杆高度，通常为1米左右。2、由于吊杆式横担，需要通过悬垂串实现过线，因此，上下横担间距相对要求大一些，导致塔高增加，而本发明的横担顶部为一个平面，采用柱式瓷绝缘子过（跳）线，使横担间距可相对缩小，从而有利于降低塔头高度，进而降低塔的总高。 Beneficial effects: Compared with the prior art, after the present invention changes the cross arm of the suspender to the cross arm of the diagonal strut structure, 1. It can reduce the height of the tower body of the section of the uppermost cross arm due to the installation of the suspender , usually about 1 meter. 2. Due to the boom-type cross-arm, it is necessary to pass the line through the hanging string. Therefore, the distance between the upper and lower cross-arms is relatively larger, resulting in an increase in the height of the tower. However, the top of the cross-arm of the present invention is a plane, and the pillar-type porcelain insulators are used to pass the line. (Jump) line, so that the distance between the cross-arms can be relatively reduced, which is beneficial to reduce the height of the tower head, and then reduce the total height of the tower.
下面结合附图，通过一个实施例对本发明作进一步详述。 The present invention will be further described in detail through an embodiment below in conjunction with the accompanying drawings.
the
附图说明 Description of drawings
图1为本发明一个实施例的主视结构示意图。 Fig. 1 is a schematic diagram of the front view structure of an embodiment of the present invention.
图2为图1中局部横担的K向结构示意图。 Fig. 2 is a schematic diagram of the K-direction structure of the partial cross arm in Fig. 1 .
图3为图1中H向结构示意图，该图只画出了最外侧结构。 Fig. 3 is a schematic diagram of the H-direction structure in Fig. 1, which only shows the outermost structure.
图中：塔脚1，塔身2，塔头3，横担31，主材311，斜撑杆312，加强杆313，横材3111，耐张串4，柱式瓷绝缘子41，耐张跳线5。
In the figure: tower foot 1,
the
具体实施方式 Detailed ways
参见图1。这种耐张铁塔包括塔脚1，塔身2和塔头3。从上至下，塔头3上具有四根横置的横担31，每根横担31由主材311、斜撑杆312、加强杆313，以及若干根横材3111（参见图2和图3）构成。长短不一的横担31上分别设置不同数量的耐张串4、柱式瓷绝缘子41。
See Figure 1. The tension tower includes a tower foot 1, a
参见图2、图3。耐张串4经连接板分别设置在横材3111的两侧，柱式瓷绝缘子41设置在横材3111的顶壁上，具体实施时，该柱式瓷绝缘子41最好设置在横材3111顶壁的横向对称线的中部。耐张跳线5经两侧的耐张串4及柱式瓷绝缘子41的顶端实现过线。
See Figure 2 and Figure 3. The
本发明主要创新点在于：改吊杆为斜撑杆312固定主材311、采用柱式瓷绝缘子41实现过线。从而实现降低塔总高的目的。
The main innovation points of the present invention are: the suspender is changed to a
上述实施例仅用于解释本发明的创新思路，任何受其启发而作出的简单变形结构，都应纳入本发明的保护范围。 The above-mentioned embodiments are only used to explain the innovative thinking of the present invention, and any simple deformation structure inspired by them should be included in the protection scope of the present invention.