Wire down conductor
The modular design of the conductor down-lead bracket solves the problems of inconvenient maintenance of the conductor down-lead structure and the adaptation of old lines, achieving stable installation and convenient adaptation, and is suitable for different specifications of iron towers and cable models.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN TEDA ENG & DESIGNING CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-21
AI Technical Summary
In existing technologies, the conductor down-lead structure is compact, but multiple components need to be disassembled at height during maintenance. Furthermore, when upgrading old lines, the new cables are incompatible with the original tower fixing structure, requiring additional modifications.
The design employs a collaborative approach involving a base plate assembly, a connecting plate assembly, and a support plate assembly. The base plate assembly is fixed to the tower crossbeams with bolts, the connecting plate assembly is tilted to optimize the cable transition angle, and the support plate assembly further reinforces the overall structure. The modular design facilitates rapid assembly and is suitable for different tower specifications and cable models.
Provides a stable installation foundation, reduces cable bending stress, avoids displacement or damage, is suitable for the renovation of old lines, is easy to install, avoids bending or squeezing, and is compatible with different specifications of towers and cables.
Smart Images

Figure CN224537750U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of conductor downlead support, and in particular relates to conductor downlead support. Background Technology
[0002] Overhead transmission lines and cable transmission lines are two important components of the power grid. The terminal tower is the key part where overhead lines and cable lines intersect, and the overhead lines and cable lines are converted at the terminal tower through cable termination heads.
[0003] The existing technology has a compact design for the downlead structure, but during maintenance, it is necessary to climb to a height to disassemble multiple components. Furthermore, when upgrading old lines, new cables (such as cross-linked polyethylene insulation) are not compatible with the original tower fixing structure, requiring additional modifications. Utility Model Content
[0004] In view of this, the present invention aims to provide a wire guide bracket to solve at least one technical problem in the background art.
[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:
[0006] The conductor down conductor support includes a cable down conductor structure, one side of which is mounted on the crossbeam of the tower.
[0007] The cable lead-out structure includes a base plate assembly, a connecting plate assembly, and a support plate assembly;
[0008] The connecting plate assembly is installed at an angle at one end of the base plate assembly, and the other end of the base plate assembly is provided with a downlead hole. A downlead insulator string is provided at the downlead hole, and the overhead line cable is connected to the downlead insulator string.
[0009] The base plate assembly and the connecting plate assembly are respectively connected to the adjacent transverse diaphragm bolts of the tower. The support plate assembly is inclinedly set on the base plate assembly, and the other side of the support plate assembly is connected to the connecting plate assembly.
[0010] Furthermore, the base plate assembly includes a first L-shaped base, a second L-shaped base, and a reinforcing plate. The first L-shaped base and the second L-shaped base are symmetrically arranged, and their horizontal ends are connected by the reinforcing plate.
[0011] The first L-shaped base and the second L-shaped base are provided with several first mounting holes at their horizontal ends;
[0012] The reinforcing plate is provided with a second mounting hole corresponding to the first mounting hole, and the reinforcing plate is bolted to the first L-shaped base and the second L-shaped base;
[0013] There is a gap between the first L-shaped base and the second L-shaped base for mounting the connecting plate assembly;
[0014] The guide hole is located on the side of the first L-shaped base and the second L-shaped base away from the connecting plate assembly.
[0015] Furthermore, the connecting plate assembly includes a connecting plate, a first L-shaped plate, a second L-shaped plate, a first L-shaped mounting plate, and a second L-shaped mounting plate;
[0016] The connecting plate is installed between the first L-shaped base and the second L-shaped base, and a third mounting hole is provided on one side of the connecting plate;
[0017] The first L-shaped plate is provided with a fourth mounting hole corresponding to the third mounting hole; the connecting plate is connected to the first L-shaped plate by bolts;
[0018] The bottom of the connecting plate is provided with a fifth mounting hole, and the first L-shaped base and the second L-shaped base are each provided with a sixth mounting hole corresponding to the fifth mounting hole; the connecting plate is connected to the base plate assembly by bolts;
[0019] The first L-shaped plate has a seventh mounting hole on the side away from the connecting plate, and the second L-shaped plate has an eighth mounting hole corresponding to the seventh mounting hole; the end of the first L-shaped plate is connected to the second L-shaped plate by bolts.
[0020] The horizontal ends of the first L-shaped mounting plate and the second L-shaped mounting plate are installed at the bottom of the horizontal end of the second L-shaped plate; the transverse bolts of the tower are installed between the vertical ends of the first L-shaped mounting plate and the second L-shaped mounting plate.
[0021] Furthermore, the vertical ends of the first L-shaped mounting plate and the second L-shaped mounting plate are provided with a ninth mounting hole, and the second L-shaped plate is provided with a tenth mounting hole corresponding to the third mounting hole. The first L-shaped mounting plate and the second L-shaped mounting plate are bolted on the iron tower, and the second L-shaped mounting plate is arranged parallel to the base plate assembly.
[0022] Furthermore, the support plate assembly includes a third L-shaped plate; one end of the third L-shaped plate is connected to the connecting plate assembly, and the other end is connected to the base plate assembly;
[0023] The third L-shaped plate has an eleventh mounting hole at one end and a twelfth mounting hole at the other end.
[0024] Furthermore, the base plate assembly is provided with a third L-shaped mounting plate and a fourth L-shaped mounting plate, which are symmetrically arranged at the ends of the base plate assembly and on the side away from the mounting end of the connecting assembly.
[0025] Furthermore, the third L-shaped mounting plate and the fourth L-shaped mounting plate are provided with a thirteenth mounting hole at their horizontal ends, and the third L-shaped mounting plate and the fourth L-shaped mounting plate are mounted on the base plate assembly by bolts.
[0026] Furthermore, the vertical ends of the third L-shaped mounting plate and the fourth L-shaped mounting plate are provided with fourteenth mounting holes, and the transverse diaphragm of the tower is set between the third L-shaped mounting plate and the fourth L-shaped mounting plate; the third L-shaped mounting plate and the fourth L-shaped mounting plate are installed on the transverse diaphragm by bolts.
[0027] Compared with the prior art, the wire guide bracket of this utility model has the following advantages:
[0028] The cable lead-out structure of this application adopts a collaborative design of a base plate assembly, a connecting plate assembly, and a support plate assembly. The base plate assembly is fixed to the tower crossbeam bolts, providing a stable installation foundation; the connecting plate assembly is inclined to optimize the cable transition angle and reduce bending stress; the support plate assembly further strengthens the overall structure and prevents the cable from being displaced or damaged due to long-term vibration or external force.
[0029] 2. Both the base plate assembly and the connecting plate assembly are bolted to the transverse diaphragm of the tower, requiring no welding or complex modifications, and are suitable for tower structures of different specifications. The modular design facilitates rapid on-site assembly, making it particularly suitable for upgrading old lines or adapting to different cable types. The design of the down-lead hole ensures smooth cable threading, avoiding bending or compression during installation. Attached Figure Description
[0030] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:
[0031] Figure 1 This is a schematic diagram of the wire guide bracket proposed in this utility model;
[0032] Figure 2 This is a schematic diagram of the installation of the conductor downlead support proposed in this utility model (the downlead insulator string and the overhead line cable are not shown).
[0033] Figure 3 This is a schematic diagram of the base plate assembly of the wire guide bracket proposed in this utility model installed on the transverse diaphragm;
[0034] Figure 4 This is a schematic diagram of the connecting plate assembly of the wire guide bracket proposed in this utility model installed on the transverse diaphragm.
[0035] Explanation of reference numerals in the attached figures:
[0036] 1. First L-shaped base; 2. Second L-shaped base; 3. Reinforcing plate; 4. First mounting hole; 5. Connecting plate; 6. First L-shaped plate; 7. Third mounting hole; 8. Fifth mounting hole; 9. Second L-shaped plate; 10. Eighth mounting hole; 11. Ninth mounting hole; 12. Third L-shaped plate; 13. Eleventh mounting hole; 14. Twelfth mounting hole; 15. Third L-shaped mounting plate; 16. Fourth L-shaped mounting plate; 17. Fourteenth mounting hole; 18. Downward hole; 19. Iron tower; 20. Cross diaphragm; 21. First L-shaped mounting plate; 22. Second L-shaped mounting plate. Detailed Implementation
[0037] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0038] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0039] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0040] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0041] The conductor downlead support includes a cable downlead structure, one side of which is installed on the transverse diaphragm of the tower 19. The cable downlead structure includes a base plate assembly, a connecting plate assembly, and a support plate assembly. The connecting plate assembly is installed obliquely at one end of the base plate assembly, and the other end of the base plate assembly is provided with a downlead hole 18. A downlead insulator string is provided at the downlead hole 18, and the overhead line cable is connected to the downlead insulator string. The base plate assembly and the connecting plate assembly are respectively bolted to the adjacent transverse diaphragm 20 of the tower 19. The support plate assembly is obliquely set on the base plate assembly, and the other side of the support plate assembly is connected to the connecting plate assembly.
[0042] This includes a cable drop structure, one side of which is installed on the crossbeam of the tower;
[0043] The cable lead-out structure includes a base plate assembly, a connecting plate assembly, and a support plate assembly;
[0044] The connecting plate assembly is installed at an angle at one end of the base plate assembly, and the other end of the base plate assembly is provided with a downlead hole. A downlead insulator string is provided at the downlead hole, and the overhead line cable is connected to the downlead insulator string.
[0045] The base plate assembly includes a first L-shaped base 1, a second L-shaped base 2, and a reinforcing plate 3. The first L-shaped base 1 and the second L-shaped base 2 are symmetrically arranged and connected at their horizontal ends by the reinforcing plate 3. The horizontal ends of the first L-shaped base 1 and the second L-shaped base 2 are provided with a plurality of first mounting holes 4. The reinforcing plate 3 is provided with second mounting holes corresponding to the first mounting holes 4. The reinforcing plate 3 is bolted to the first L-shaped base 1 and the second L-shaped base 2. There is a gap between the first L-shaped base 1 and the second L-shaped base 2 for installing the connecting plate assembly. The guide hole 18 is provided on the side of the first L-shaped base 1 and the second L-shaped base 2 away from the connecting plate assembly.
[0046] The connecting plate assembly includes a connecting plate 5, a first L-shaped plate 6, a second L-shaped plate 9, a first L-shaped mounting plate 21, and a second L-shaped mounting plate 22;
[0047] The connecting plate 5 is installed between the first L-shaped base 1 and the second L-shaped base 2. A third mounting hole 7 is provided on one side of the connecting plate 5. A fourth mounting hole corresponding to the third mounting hole 7 is provided on the first L-shaped plate 6. The connecting plate 5 is connected to the first L-shaped plate 6 by bolts. A fifth mounting hole 8 is provided at the bottom of the connecting plate 5. A sixth mounting hole corresponding to the fifth mounting hole 8 is provided on both the first L-shaped base 1 and the second L-shaped base 2. The connecting plate 5 is connected to the base plate assembly by bolts. A seventh mounting hole is provided on the side of the first L-shaped plate 6 away from the connecting plate 5. An eighth mounting hole 10 corresponding to the seventh mounting hole is provided on the second L-shaped plate. The end of the first L-shaped plate 6 is connected to the second L-shaped plate by bolts. The horizontal ends of the first L-shaped mounting plate 21 and the second L-shaped mounting plate 22 are installed at the bottom of the horizontal end of the second L-shaped plate. The transverse diaphragm 20 of the iron tower 19 is bolted between the vertical ends of the first L-shaped mounting plate 21 and the second L-shaped mounting plate 22.
[0048] Both the first L-shaped mounting plate 21 and the second L-shaped mounting plate 22 have a ninth mounting hole 11 at their vertical ends. The second L-shaped plate has a tenth mounting hole corresponding to the third mounting hole 7. The first L-shaped mounting plate 21 and the second L-shaped mounting plate 22 are bolted onto the iron tower 19. The second L-shaped mounting plate 22 is arranged parallel to the base plate assembly. The support plate assembly includes a third L-shaped plate 12. One end of the third L-shaped plate 12 is connected to the connecting plate assembly, and the other end is connected to the base plate assembly. One end of the third L-shaped plate 12 has an eleventh mounting hole 13, and the other end of the third L-shaped plate 12 has a twelfth mounting hole 14.
[0049] The base plate assembly is provided with a third L-shaped mounting plate 15 and a fourth L-shaped mounting plate 16. The third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16 are symmetrically arranged at the ends of the base plate assembly and are located on the side away from the mounting end of the connecting assembly. The horizontal ends of the third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16 are provided with a thirteenth mounting hole. The third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16 are mounted on the base plate assembly by bolts. The vertical ends of the third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16 are each provided with a fourteenth mounting hole 17. The transverse diaphragm 20 of the tower 19 is located between the third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16; the third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16 are mounted on the transverse diaphragm 20 by bolts.
[0050] In specific implementation, after the device is assembled, the distance between the upper surface of the base plate assembly and the horizontal end of the second L-shaped plate 9 is the distance between the transverse diaphragms 20 of the iron tower 19. The length of the first L-shaped plate 6 can be selected according to the actual situation, and the distance between the first L-shaped mounting plate 21 and the second L-shaped mounting plate 22 can be adjusted. The distance between the first L-shaped mounting plate 21 and the second L-shaped mounting plate 22 corresponds to the transverse diaphragm 20.
[0051] Adjust the distance between the third L-shaped mounting plate 15 and the fourth L-shaped mounting plate 16, ensuring the distance corresponds to the transverse partition 20. After installation, the operator passes the overhead line cable through the downlead hole 18. This structure is suitable for different towers 19 and can be installed according to different situations. It can be added to the tower to bring the overhead line down, increasing the safety distance. If the conductor is energized and too close to the tower, the tower may become energized, posing a danger. The number of these structures is the same as the number of overhead line cables required for the tower. This structure is installed between two adjacent transverse partitions 20.
[0052] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A conductor lead-down bracket, characterized in that: This includes a cable drop structure, one side of which is installed on the crossbeam of the tower; The cable lead-out structure includes a base plate assembly, a connecting plate assembly, and a support plate assembly; The connecting plate assembly is installed at an angle at one end of the base plate assembly, and the other end of the base plate assembly is provided with a downlead hole. A downlead insulator string is provided at the downlead hole, and the overhead line cable is connected to the downlead insulator string. The base plate assembly and the connecting plate assembly are respectively connected to the adjacent transverse diaphragm bolts of the tower. The support plate assembly is inclinedly set on the base plate assembly, and the other side of the support plate assembly is connected to the connecting plate assembly.
2. The conductor lead-down bracket according to claim 1, characterized in that: The base plate assembly includes a first L-shaped base, a second L-shaped base, and a reinforcing plate. The first L-shaped base and the second L-shaped base are symmetrically arranged, and their horizontal ends are connected by the reinforcing plate. The first L-shaped base and the second L-shaped base are provided with several first mounting holes at their horizontal ends; The reinforcing plate is provided with a second mounting hole corresponding to the first mounting hole, and the reinforcing plate is bolted to the first L-shaped base and the second L-shaped base; There is a gap between the first L-shaped base and the second L-shaped base for mounting the connecting plate assembly; The guide hole is located on the side of the first L-shaped base and the second L-shaped base away from the connecting plate assembly.
3. The conductor lead-down bracket according to claim 2, characterized in that: The connecting plate assembly includes a connecting plate, a first L-shaped plate, a second L-shaped plate, a first L-shaped mounting plate, and a second L-shaped mounting plate; The connecting plate is installed between the first L-shaped base and the second L-shaped base, and a third mounting hole is provided on one side of the connecting plate; The first L-shaped plate is provided with a fourth mounting hole corresponding to the third mounting hole; the connecting plate is connected to the first L-shaped plate by bolts; The bottom of the connecting plate is provided with a fifth mounting hole, and the first L-shaped base and the second L-shaped base are each provided with a sixth mounting hole corresponding to the fifth mounting hole; the connecting plate is connected to the base plate assembly by bolts; The first L-shaped plate has a seventh mounting hole on the side away from the connecting plate, and the second L-shaped plate has an eighth mounting hole corresponding to the seventh mounting hole; the end of the first L-shaped plate is connected to the second L-shaped plate by bolts. The horizontal ends of the first L-shaped mounting plate and the second L-shaped mounting plate are installed at the bottom of the horizontal end of the second L-shaped plate; the transverse bolts of the tower are installed between the vertical ends of the first L-shaped mounting plate and the second L-shaped mounting plate.
4. The conductor lead-down bracket according to claim 3, characterized in that: The vertical ends of the first L-shaped mounting plate and the second L-shaped mounting plate are each provided with a ninth mounting hole. The second L-shaped plate is provided with a tenth mounting hole corresponding to the third mounting hole. The bolts of the first L-shaped mounting plate and the second L-shaped mounting plate are installed on the iron tower. The second L-shaped mounting plate is set parallel to the base plate assembly.
5. The conductor lead-down bracket according to claim 1, characterized in that: The support plate assembly includes a third L-shaped plate; one end of the third L-shaped plate is connected to the connecting plate assembly, and the other end is connected to the base plate assembly; The third L-shaped plate has an eleventh mounting hole at one end and a twelfth mounting hole at the other end.
6. The conductor lead-down bracket according to claim 1, characterized in that: The base plate assembly is provided with a third L-shaped mounting plate and a fourth L-shaped mounting plate. The third L-shaped mounting plate and the fourth L-shaped mounting plate are symmetrically arranged at the ends of the base plate assembly and are located on the side away from the mounting end of the connecting component.
7. The conductor lead-down bracket according to claim 6, characterized in that: The third L-shaped mounting plate and the fourth L-shaped mounting plate are provided with a thirteenth mounting hole at their horizontal ends. The third L-shaped mounting plate and the fourth L-shaped mounting plate are mounted on the base plate assembly by bolts.
8. The conductor lead-down bracket according to claim 6, characterized in that: The three L-shaped mounting plates and the fourteenth mounting hole are provided on the vertical ends of the third L-shaped mounting plate and the fourth L-shaped mounting plate. The transverse diaphragm of the tower is set between the three L-shaped mounting plates and the fourth L-shaped mounting plate. The three L-shaped mounting plates and the fourth L-shaped mounting plates are installed on the transverse diaphragm by bolts.