Tower leg structure of power transmission line iron tower

By adopting a combined structure of base layer, anti-rust layer and sheath layer on the transmission tower legs, combined with the design of oblique materials and curved blocks, the problem of tower legs prone to rust close to the ground is solved, extending the service life and improving the Convenience and maintenance.

CN222350380UInactive Publication Date: 2025-01-14CHAOYANG ZHENGDA ELECTRIC POWER CONSTRUCTION CO LTD
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Patent Information

Application Number
CN202420756284.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-01-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing tower leg structure of the power transmission tower is prone to rust close to the ground. Using the same anti-rust method as the tower head and tower body will shorten the service life of the tower legs.

Method used

A combined structure of base layer, anti-rust layer and sheath layer is adopted, and a sheath layer is added to the outer layer of the main material, combining the cross distribution of oblique materials, arc-shaped blocks and bearing rotation structure to provide additional protection and a design that is convenient for maintenance.

Benefits of technology

Effectively prevent the anti-rust paint from the surface of the tower legs, extend the service life of the tower legs, and improve maintenance efficiency through convenient maintenance design.

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Abstract

The utility model discloses a power transmission line iron tower leg structure which comprises a base, a main material is installed on the top of the base, a protection structure is arranged in the main material and comprises a base layer, an anti-corrosion layer and a sheath layer, the base layer is arranged in the main material, the anti-corrosion layer is arranged on the outer side of the base layer, and the sheath layer is arranged on the outer side of the base layer. And a sheath layer is arranged on the outer side of the anti-corrosion layer. The utility model relates to the technical field of power transmission iron towers, through the cooperation among the base layer, the anti-corrosion layer and the sheath layer, the sheath is added on the outermost layer of the main material for protection, the anti-corrosion paint on the surface is prevented from being damaged, and the problems that the tower leg position of the existing structure is close to the ground and is easy to rust and difficult to damage are solved. And the service life of the tower leg position is shortened if an anti-rust method which is the same as that of the tower head and the tower body is adopted.
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Description

Technical Field

[0001] The utility model relates to the technical field of power transmission iron towers, in particular to a tower leg structure of a power transmission line iron tower. Background Art

[0002] Transmission towers are tall structures that are very sensitive to tilt and deformation, and have high requirements for uneven foundation settlement. Common structural forms of transmission tower foundations include independent foundations, expanded foundations, and pile foundations. The structure of transmission towers mainly adopts steel structures. Conventional transmission towers and foundation structures are difficult to adapt to the surface movement and deformation of coal mine goafs, which may cause the transmission tower to deflect or even overturn.

[0003] The existing iron tower is mainly divided into a tower head, a tower body and a tower leg, and its components are main materials and diagonal materials. The tower leg part also includes the foundation and other parts.

[0004] However, the existing structure tower legs are closer to the ground and are more susceptible to rust. If the same anti-rust method as the tower head and tower body is used, the service life of the tower legs will be shortened. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a tower leg structure for a power transmission line iron tower, which solves the problem that the tower legs of the prior structure are more susceptible to rust near the ground and that the service life of the tower legs is shortened if the same anti-rust method as that for the tower head and tower body is adopted.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a tower leg structure of a power transmission line iron tower, including a base, a main material is installed on the top of the base, a protective structure is arranged inside the main material, the protective structure includes a base layer, an anti-corrosion layer and a sheath layer, the base layer is arranged inside the main material, the anti-corrosion layer is arranged on the outside of the base layer, and the sheath layer is arranged on the outside of the anti-corrosion layer.

[0007] Preferably, a plurality of oblique materials are fixedly connected to one side of the main material, and the plurality of oblique materials are cross-distributed.

[0008] Preferably, two slopes are processed on the top of the base, and a drainage groove is processed on the top of the base.

[0009] Preferably, a frame is fixedly connected to the outer side of the main material, the inner side of the frame is rotatably connected to a shaft through a bearing, a pedal is fixedly connected to the top of the shaft, a non-slip rubber pad is installed on the back of the pedal, an arc block is installed on the outer side of the shaft, and the outer side of the arc block is movably connected to an arc groove on one side of the frame.

[0010] Preferably, a steel sleeve is provided inside the base, a steel chisel is movably connected inside the steel sleeve, a concrete foundation is provided outside the steel chisel, a straight plate is installed above the steel chisel, and the rear of the straight plate is fixedly connected to the top of the base by rivets.

[0011] Beneficial Effects

[0012] The utility model provides a transmission line iron tower leg structure. It has the following beneficial effects: the transmission line iron tower leg structure adds a sheath to the outermost layer of the main material for protection through the cooperation between the base layer, the anti-corrosion layer and the sheath layer, thereby preventing the anti-corrosion paint on the surface from being damaged, and solves the problem that the tower leg position of the existing structure is more prone to rust near the ground, and if the same anti-rust method as the tower head and the tower body is used, the service life of the tower leg position is shortened.

[0013] Through the coordination among the frame, the shaft and the pedals, a pedal is provided at the tower body to facilitate users to climb, and it can be folded up when not in use, without affecting users to inspect the main materials and other structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the structure of the middle base layer, anti-corrosion layer and sheath layer;

[0016] Figure 3 for Figure 1 Schematic diagram of the structure of the middle frame, shaft and pedal;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the central straight plate, rivets and steel sleeve.

[0018] In the figure: 1. base, 2. drainage trough, 3. main material, 4. slope, 5. concrete foundation, 6. steel chisel, 7. oblique material, 8. base layer, 9. anti-corrosion layer, 10. sheath layer, 11. frame, 12. shaft, 13. arc block, 14. pedal, 15. anti-slip rubber pad, 16. straight board, 17. rivet, 18. steel sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The existing structure tower legs are closer to the ground and are more prone to rust. If the same anti-rust method as the tower head and tower body is used, the service life of the tower legs will be shortened.

[0021] In view of this, a tower leg structure of a power transmission line iron tower is provided. Through the cooperation between the base layer, the anti-corrosion layer and the sheath layer, a sheath is added to the outermost layer of the main material for protection to avoid damage to the anti-corrosion paint on the surface, thereby solving the problem that the tower leg position of the existing structure is more prone to rust near the ground, and if the same anti-rust method as the tower head and tower body is used, the service life of the tower leg position is shortened.

[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0023] Embodiment 1: Figure 1-2 It can be seen that a transmission line iron tower leg structure includes a base 1, a main material 3 is installed on the top of the base 1, a protective structure is arranged inside the main material 3, the protective structure includes a base layer 8, an anti-corrosion layer 9 and a sheath layer 10, the base layer 8 is arranged inside the main material 3, the anti-corrosion layer 9 is arranged on the outside of the base layer 8, and the sheath layer 10 is arranged on the outside of the anti-corrosion layer 9;

[0024] In the specific implementation process, it is worth pointing out that the main material of the sheath layer 10 is polypropylene, which is attached to the outside of the entire main material 3, has the advantages of low density, strength, stiffness, hardness and heat resistance are better than low-pressure polyethylene, and can be used at about 100 degrees. It has good electrical properties and high-frequency insulation and is not affected by humidity;

[0025] Furthermore, a plurality of oblique materials 7 are fixedly connected to one side of the main material 3, and the plurality of oblique materials 7 are cross-distributed;

[0026] In the specific implementation process, it is worth pointing out that the cross distribution of multiple diagonal members 7 can improve the overall stability of the tower;

[0027] Furthermore, two slopes 4 are processed on the top of the base 1, and a drainage groove 2 is processed on the top of the base 1;

[0028] In the specific implementation process, it is worth pointing out that the two slopes 4 can collect rainwater into the drainage trough 2, and the internal inclined design of the drainage trough 2 avoids water accumulation;

[0029] Specifically, when using the tower leg structure of the transmission line iron tower, a sheath is added to the outermost layer of the main material 3 for protection through the cooperation between the base layer 8, the anti-corrosion layer 9 and the sheath layer 10 to avoid damage to the anti-corrosion paint on the surface, thereby solving the problem that the tower leg position of the existing structure is more prone to rust near the ground, and the service life of the tower leg position is shortened if the same anti-rust method as the tower head and tower body is used.

[0030] Embodiment 2: By Figure 1 , 3 As can be seen from Figures 4, a frame 11 is fixedly connected to the outside of the main material 3, and a shaft 12 is rotatably connected to the inside of the frame 11 through a bearing. The shaft 12 can rotate through the bearing, and a pedal 14 is fixedly connected to the top of the shaft 12. A non-slip rubber pad 15 is installed on the back of the pedal 14. The non-slip rubber pad 15 can prevent the user from slipping when stepping on it. An arc block 13 is installed on the outside of the shaft 12, and the outer side of the arc block 13 is movably connected to an arc groove on one side of the frame 11;

[0031] In the specific implementation process, it is worth pointing out that the arc-shaped groove on one side of the frame 11 can limit the arc-shaped block 13 to move only within the horizontal and vertical range, and the rotation angle is 90 degrees;

[0032] Furthermore, a steel sleeve 18 is provided inside the base 1, a steel drill 6 is movably connected inside the steel sleeve 18, a concrete foundation 5 is provided outside the steel drill 6, a straight plate 16 is installed above the steel drill 6, and the rear of the straight plate 16 is fixedly connected to the top of the base 1 through a rivet 17;

[0033] In the specific implementation process, it is worth pointing out that the steel drill 6 can penetrate the concrete foundation 5 and penetrate into the soil for positioning;

[0034] Specifically, on the basis of the above-mentioned embodiment 1, through the cooperation between the frame 11, the shaft 12 and the pedal 14, the pedal 14 is arranged at the tower body to facilitate users to climb, and can be folded up when not needed, without affecting users to inspect the main material 3 and other structures.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0036] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transmission line iron tower leg structure, comprising a base (1), characterized in that: A main material (3) is installed on the top of the base (1), and a protective structure is arranged inside the main material (3); The protective structure comprises a base layer (8), an anti-corrosion layer (9) and a sheath layer (10); The base layer (8) is arranged inside the main material (3), an anti-corrosion layer (9) is arranged outside the base layer (8), and a sheath layer (10) is arranged outside the anti-corrosion layer (9).

2. A transmission line iron tower leg structure according to claim 1, characterized in that: A plurality of oblique materials (7) are fixedly connected to one side of the main material (3), and the plurality of oblique materials (7) are cross-distributed.

3. The power transmission line tower leg structure according to claim 1, characterized in that: The top of the base (1) is processed with two slopes (4), and the top of the base (1) is processed with a drainage groove (2).

4. A transmission line iron tower leg structure according to claim 1, characterized in that: The outer side of the main material (3) is fixedly connected to a frame body (11), the inner side of the frame body (11) is rotatably connected to a shaft body (12) via a bearing, the top of the shaft body (12) is fixedly connected to a pedal body (14), the back side of the pedal (14) is installed with a non-slip rubber pad (15), the outer side of the shaft body (12) is installed with an arc block (13), and the outer side of the arc block (13) is movably connected to an arc groove on one side of the frame body (11).

5. The power transmission line tower leg structure according to claim 1, characterized in that: A steel sleeve (18) is provided inside the base (1), a steel chisel (6) is movably connected inside the steel sleeve (18), a concrete foundation (5) is provided outside the steel chisel (6), a straight plate (16) is installed above the steel chisel (6), and the rear of the straight plate (16) is fixedly connected to the top of the base (1) by a rivet (17).