Novel tower for opening and crossing
By designing a new type of tower for line breaking and crossing, integrating the functions of line breaking and crossing onto a single tower, the problems of construction difficulty and high cost in areas with restricted routes are solved, achieving efficient line layout and resource conservation.
Patent Information
- Application Number
- CN202522073743.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-26
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-26
AI Technical Summary
Existing technologies are difficult to implement and costly when dealing with the opening and crossing of overhead transmission lines, especially in areas with limited routes.
A novel tower for breaking and crossing is designed, wherein a lower single-sided crossarm assembly is installed on one side of the lower part of the tower body, and an upper single-sided crossarm assembly is installed on the other side of the upper part. Upper front and rear crossarm assemblies are also installed on the front and rear sides of the upper layer. The breaking and crossing connection of the line is achieved by tension strings.
Under the premise of meeting the specifications, the problem of three towers can be solved by using one tower, which reduces the difficulty and cost of construction, saves the resources of the line corridor, and improves the adaptability to complex terrain and the efficiency of the project.
Smart Images
Figure CN224679231U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of overhead transmission line tower technology, and in particular to a novel tower for breaking and crossing. Background Technology
[0002] The poles and towers of overhead transmission lines are supporting structures used to support the power lines. They are mostly made of steel and are one of the important pieces of equipment for overhead transmission lines. Currently, the iron towers used in engineering are conventional tension towers and straight-line towers with an angle of 0° to 90°. When a double-circuit overhead line is interrupted on the other side, it is often necessary to use a high tower to raise the line on this side and then erect two new single-circuit underpass towers on the other side to achieve the desired result.
[0003] Currently, to optimize the power grid, lines frequently require disconnection and reconnection. High-voltage transmission lines are encountering increasingly more disconnections and crossings, and the locations of these disconnections are often heavily restricted by terrain, making conventional solutions increasingly difficult to implement and meet engineering requirements. Such solutions are both challenging and uneconomical. This proposal suggests a novel tower design for disconnection and crossing. The lower level has three crossarms on one side, the upper level has three crossarms on the other side, and then crossarms are installed on both sides vertically above the three crossarms on the upper level. The line on the other side completes the disconnection and crossing via the upper crossarms. Summary of the Invention
[0004] In view of this, the purpose of this utility model is to provide a new type of tower that can integrate the functions of line interruption and crossing on a single tower, thereby simplifying the construction of the interruption and crossing.
[0005] This utility model is implemented by the following method: a novel tower for breaking and crossing, comprising a tower body, wherein a lower single-sided crossarm assembly for suspending lower-level lines is provided on one side of the lower part of the tower body, and an upper single-sided crossarm assembly for suspending upper-level lines is provided on the other side of the upper part of the tower body, and upper front and rear crossarm assemblies for completing line breaking and crossing connection are also provided on the upper part of the tower body and on the front and rear sides along the line direction.
[0006] Furthermore, the lower single-sided crossarm assembly includes three horizontally extending crossarms.
[0007] Furthermore, the upper single-sided crossarm assembly includes three horizontally extending crossarms.
[0008] Furthermore, the upper front and rear crossarm assemblies include crossarms extending in the forward and backward directions of the line, respectively.
[0009] Furthermore, each side of the upper front and rear crossarm assembly includes three layers of crossarms.
[0010] Furthermore, the upper front and rear crossarm assemblies are provided with tension strings for connecting jumpers drawn from the upper single-sided crossarm assembly and connecting them to the side of the broken line, so that the broken line crosses over the other circuit.
[0011] The beneficial effects of this utility model are as follows: Under the premise of meeting the specifications, in areas with limited routes, this technology allows one tower to solve the problems that existing technologies require three towers to solve, making implementation easier and more cost-effective; it integrates the functions that traditional solutions require three towers into one tower, significantly reducing the area occupied by the tower foundation and saving valuable line corridor resources, making it particularly suitable for areas with limited routes; it reduces engineering difficulty and cost: it reduces the number of towers and the corresponding foundation construction, tower assembly, and line stringing work, greatly reducing the difficulty of engineering construction and the overall cost; it has a novel structure and strong practicality: through a unique asymmetrical crossarm layout and jumper connection method, it effectively solves the technical problems of line interruption and crossing, improving the tower's adaptability to complex terrain and power grid structures. Attached Figure Description
[0012] Figure 1 This is a front view of the novel tower with opening and crossing according to this utility model.
[0013] Figure 2 This is a side view of the novel tower with opening and crossing according to this utility model.
[0014] Figure 3 This is a top view of the novel tower with opening and crossing of this utility model.
[0015] In the diagram: 1. Tower body; 2. Lower single-sided crossarm assembly; 3. Upper single-sided crossarm assembly; 4. Upper front and rear crossarm assemblies. Detailed Implementation
[0016] The present invention will be further described below with reference to the accompanying drawings.
[0017] Please see Figures 1 to 3 As shown, this utility model provides an embodiment: a novel tower for switching and crossing, the main body of which is a tower body 1 formed by steel structure lap joints. A lower single-sided crossarm assembly 2 is installed on the lower right side of the tower body 1 (taking the illustrated direction as an example). This assembly consists of three layers of horizontally extending crossarms and is used to support and suspend the double-circuit lower-level lines on one side. An upper single-sided crossarm assembly 3 is installed on the upper left side of the tower body 1, also consisting of three layers of crossarms, and is used to support and suspend the double-circuit upper-level lines on the other side.
[0018] Part 1: On the same tower, three layers of single-sided crossarms are installed on the lower level, and three layers of single-sided crossarms are also installed on the upper level on the other side. Three layers of crossarms are installed on each side of the upper level along the direction of the line. Part 2: The tower heads are arranged reasonably, and jumpers are connected in series from the front and rear sides of the upper line to the side of the disconnected line. The disconnected line crosses over the other circuit to solve the problem of line crossing.
[0019] In terms of external structure design, on the same base tower, three layers of single-sided crossarms are set on the lower layer, and three layers of single-sided crossarms are also set on the upper layer on the other side. Three layers of crossarms are set on the front and rear sides of the upper layer along the line direction. Jumpers are connected in tension series from the front and rear sides of the upper layer line to the side of the broken line.
[0020] At the top of tower 1, along the direction of the line (i.e., perpendicular to the drawing direction), upper front and rear crossarm assemblies 4 are installed on both sides. Each of these assemblies contains three layers of crossarms on both sides, with tension strings installed on the crossarms. During construction, the conductors of the upper line are connected to the tension strings of the front and rear crossarm assemblies 4 via jumpers, and then connected to the line that needs to be disconnected and redirected. Through this arrangement, the disconnected line can cross over from above the upper line, thus completing all functions on a single tower.
[0021] The tower structure design of this utility model fully considers electrical insulation distance and mechanical load, ensuring safe and reliable operation.
[0022] The above description is only a preferred embodiment of the present utility model. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall be covered by the present utility model.
Claims
1. A novel tower with interrupted and overlapping sections, comprising a tower body, characterized in that: The lower side of the tower body is provided with a lower single-sided crossarm assembly for suspending the lower-level line, and the upper side of the tower body is provided with an upper single-sided crossarm assembly for suspending the upper-level line. The upper part of the tower body, along the front and rear sides along the line direction, is also provided with upper front and rear crossarm assemblies for completing line opening and crossing connections.
2. The novel tower with interruption and cross-span as described in claim 1, characterized in that: The lower single-sided crossarm assembly comprises three horizontally extending crossarms.
3. The novel tower with interruption and cross-span as described in claim 1, characterized in that: The upper single-sided crossarm assembly includes three horizontally extending crossarms.
4. The novel tower with interruption and cross-span as described in claim 1, characterized in that: The upper front and rear crossarm assemblies include crossarms extending in the forward and backward directions of the track, respectively.
5. A novel tower with interruption and cross-span as described in claim 4, characterized in that: Each side of the upper front and rear crossarm assembly includes three layers of crossarms.
6. A novel tower with interruption and cross-span as described in any one of claims 1 to 5, characterized in that: The upper front and rear crossarm assemblies are equipped with tension strings for connecting jumpers drawn from the upper single-sided crossarm assembly and connecting them to the side of the broken line, so that the broken line crosses over the other circuit.