CN216405462U - Device for corrosion prevention of tower leg soil of power transmission tower - Google Patents
Device for corrosion prevention of tower leg soil of power transmission tower Download PDFInfo
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- CN216405462U CN216405462U CN202122654940.0U CN202122654940U CN216405462U CN 216405462 U CN216405462 U CN 216405462U CN 202122654940 U CN202122654940 U CN 202122654940U CN 216405462 U CN216405462 U CN 216405462U
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- angle steel
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Abstract
The utility model relates to the technical field of power transmission towers, in particular to a device for preventing soil corrosion of tower legs of a power transmission tower, which comprises main material angle steel of the tower legs, a first clamp and a second clamp; the tower leg main material angle steel is clamped between a first clamp and a second clamp, and the first clamp and the second clamp are fixedly connected; through the cooperation of first anchor clamps and second anchor clamps and tower leg main material angle steel, formed a sealed cavity, realize the anticorrosion protection to transmission tower leg through the hole of pouring of first anchor clamps upper end.
Description
Technical Field
The utility model relates to the technical field of power transmission towers, in particular to a device for preventing soil corrosion of tower legs of a power transmission tower.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The transmission tower is used as a main supporting member for electric energy transmission, and the safety and reliability of the transmission tower directly influence the normal operation of a power grid. At present, the number of power transmission towers in service is huge, and the phenomenon that the protective film of the zinc layer on the surface of the power transmission tower is damaged and corroded due to the fact that the tower feet of the power transmission tower are buried by soil often appears under the influence of farmland cultivation, terrain change, various constructions and the like.
Soil corrosion rate is fast, conceal by strong, patrols the unable direct observation angle steel corrosion conditions of line in-process, and along with the passage of time, serious person's transmission tower diagonal member probably takes place the corrosion fracture accident, reduces the whole bearing capacity of transmission tower, and the potential safety hazard is very big.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a device for preventing the soil corrosion of the tower legs of the power transmission tower.
The utility model adopts the following technical scheme:
a device for corrosion prevention of tower leg soil of a power transmission tower comprises a main tower leg material angle steel, a first clamp and a second clamp;
the tower leg main material angle steel is clamped between the first clamp and the second clamp, and the first clamp and the second clamp are fixedly connected.
Preferably, the first clamp and the second clamp are connected by a bolt.
Preferably, the tower leg main material angle steel is equilateral angle steel.
Preferably, the inner side of the tower leg main material angle steel is engaged with the first clamp, and the outer side of the tower leg main material angle steel is engaged with the second clamp.
Preferably, the first clamp and the second clamp are mutually clamped to form a cylindrical structure;
the upper end and the lower end of the first clamp are welded with first connecting plates matched with the inner sides of the angle steels of the main materials of the tower legs;
and second connecting plates matched with the outer sides of the angle steels of the main materials of the tower legs are welded at the upper end and the lower end of the second clamp respectively.
Preferably, the first connecting plate and the second connecting plate clamp and fix the angle steel of the main material of the tower leg;
the plate edges of the first connecting plate and the second connecting plate are longer than the plate edges of the angle steel of the main material of the tower leg.
Preferably, bolt through holes are formed in the first connecting plate and the second connecting plate.
Preferably, the top end of the first clamp is further provided with a pouring hole.
Preferably, the tower leg main material angle steel is fixed on a concrete foundation.
Preferably, the gaps formed after the first clamp, the tower leg main material angle steel and the second clamp are fixed are sealed by adopting a sealant.
Compared with the prior art, the utility model has the beneficial effects that:
1. the first clamp and the second clamp adopted by the utility model are matched and can be well attached to the angle steel of the main material of the tower leg to form a closed cylindrical cavity, so that the filling and uniform molding of epoxy resin mortar are facilitated, an anti-corrosion layer is better formed, and the problem that a protective film of a surface zinc layer is damaged to corrode is solved.
2. The clamp is detachable and reusable, and is convenient to operate.
3. According to the utility model, the main material of the tower leg is secondarily protected by the carbon fiber cloth, the protection effect is good, and the surface of the outermost layer is coated with the fireproof coating and has fireproof performance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.
FIG. 1 is a structural exploded view of a device for preventing corrosion of the tower leg soil of a power transmission tower according to an embodiment of the present invention;
FIG. 2 is an overall structure diagram of a device for preventing corrosion of the power transmission tower leg soil according to an embodiment of the present invention;
in the figure: 1-tower leg main material angle steel; 2-concrete foundation; 3-a second clamp; 4, pouring holes; 5-first clamp.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by way of the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present specification, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present technology.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "disposed" are intended to be inclusive and mean, for example, that they may be fixedly coupled or disposed, or that they may be removably coupled or disposed, or that they may be integrally coupled or disposed. The specific meaning of the above terms in the present technology can be understood by those of ordinary skill in the art as appropriate.
For the purpose of facilitating an understanding of the present invention, the present invention will be further explained by way of specific embodiments with reference to the accompanying drawings, which are not intended to limit the present invention.
Example 1
Referring to fig. 1-2, an embodiment of the present invention is shown:
in fig. 1 and 2, two angle steels are connected to a concrete foundation, and the angle steels are two oblique materials of an original tower and are position schematic for reducing the field situation.
The embodiment discloses a device for corrosion prevention of tower leg soil of a power transmission tower, which comprises a main tower leg material angle steel 1, a first clamp 5 and a second clamp 3;
the tower leg main material angle steel 1 is clamped between the first clamp 5 and the second clamp 3, and the first clamp 5 and the second clamp 3 are fixedly connected.
Specifically, the first clamp 5 and the second clamp 3 are connected through bolts, and the tower leg main material angle steel 1 is fixed on the concrete foundation 2.
In the specific embodiment, the tower leg main material angle steel 1 is equilateral angle steel; the inner side of the tower leg main material angle steel 1 is clamped with a first clamp 5, and the outer side of the tower leg main material angle steel 1 is clamped with a second clamp 3.
The first clamp 5 and the second clamp 3 are mutually clamped to form a cylindrical structure; the upper end and the lower end of the first clamp 5 are welded with first connecting plates matched with the inner sides of the tower leg main material angle steels 1; second connecting plates matched with the outer sides of the tower leg main material angle steels 1 are welded at the upper end and the lower end of the second clamp 3;
the first connecting plate and the second connecting plate clamp and fix the tower leg main material angle steel 1; the plate edge length of the first connecting plate and the second connecting plate is larger than that of the tower leg main material angle steel 1; bolt through holes are formed in the first connecting plate and the second connecting plate.
Specifically, the top end of the first clamp is further provided with a pouring hole 4.
In a specific embodiment, the gaps formed after the first clamp 5, the tower leg main material angle steel 1 and the second clamp 3 are fixed are sealed by using a sealant.
Example 2
Referring to fig. 1-2, an embodiment of the present invention is shown:
this example provides a power transmission tower leg soil anticorrosion device's application method, includes:
step 1: soil around the angle steel, stains and impurities on the surface of the angle steel are cleaned, and the corroded part of the angle steel is polished to have metallic luster.
Step 2: the angle steel is subjected to corrosion prevention by adopting a cold galvanizing coating with the zinc content of 96 percent, the spraying mode is adopted, the spraying is carried out for three times, and the thickness of a zinc layer is 100-120 um.
And step 3: and (5) installing a clamp, wherein the bottom end of the clamp is connected with the surface of the foundation, and the gap is sealed by adopting sealant.
And 4, step 4: and after the sealant is solidified, injecting epoxy resin mortar from the pouring hole until the cavity of the clamp is filled, so as to form the primary angle steel protective layer.
And 5: and after the epoxy resin mortar is solidified, the clamp is disassembled, the carbon fiber cloth is wound on the surface of the angle steel protective layer, the strength is improved, and meanwhile, a secondary protective layer is formed on the angle steel.
Step 6: fireproof paint is coated on the surface of the carbon fiber cloth, so that the carbon fiber is prevented from being damaged by burning of straw and other sundries.
The epoxy resin mortar has the following proportioning and functions:
the epoxy resin mortar proportion is as follows: epoxy resin: cement: sand 1:1.5
| Composition (I) | Epoxy resin (containing curing agent) | Cement | Sand |
| Ratio of | 25％ | 37.5％ | 37.5％ |
The epoxy resin as an anti-corrosion material not only has the characteristics of compactness, water resistance, good leakage resistance, high strength and the like, but also has good manufacturability of strong adhesive force, normal-temperature operation, simple and convenient construction and the like, and has moderate price. On the basis, the epoxy resin mortar formed by adding cement and sand can improve the toughness and reduce the cost.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims (10)
1. A device for corrosion prevention of tower leg soil of a power transmission tower is characterized by comprising a main tower leg angle steel, a first clamp and a second clamp;
the tower leg main material angle steel is clamped between the first clamp and the second clamp, and the first clamp and the second clamp are fixedly connected.
2. The device for preventing soil erosion of tower legs of power transmission towers according to claim 1, wherein the first clamp and the second clamp are connected by bolts.
3. The soil erosion prevention device for the tower leg of a power transmission tower according to claim 1, wherein the main material angle steel of the tower leg is an equilateral angle steel.
4. The soil erosion preventing device for a tower leg of a power transmission tower according to claim 3, wherein an inner side of the main angle steel of the tower leg is engaged with the first jig, and an outer side of the main angle steel of the tower leg is engaged with the second jig.
5. The soil erosion prevention device for the tower leg of a power transmission tower according to claim 4, wherein the first clamp and the second clamp are engaged with each other to form a cylindrical structure;
the upper end and the lower end of the first clamp are welded with first connecting plates matched with the inner sides of the angle steels of the main materials of the tower legs;
and second connecting plates matched with the outer sides of the angle steels of the main materials of the tower legs are welded at the upper end and the lower end of the second clamp respectively.
6. The soil erosion prevention device for a tower leg of a power transmission tower according to claim 5, wherein the first connecting plate and the second connecting plate clamp and fix the angle steel of the main material of the tower leg;
the plate edges of the first connecting plate and the second connecting plate are longer than the plate edges of the angle steel of the main material of the tower leg.
7. The device for preventing soil erosion of tower legs of power transmission towers according to claim 6, wherein the first connecting plate and the second connecting plate are provided with bolt through holes.
8. The device for preventing soil erosion of tower legs of power transmission towers according to claim 5, wherein the top end of the first clamp is further provided with a pouring hole.
9. The soil erosion prevention device for the tower leg of a power transmission tower according to claim 1, wherein the angle steel of the main material of the tower leg is fixed on a concrete foundation.
10. The device for preventing soil erosion for the tower leg of a power transmission tower according to claim 5, wherein the gaps formed by the first clamp, the angle steel of the main material of the tower leg and the second clamp after being fixed are sealed by using a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654940.0U CN216405462U (en) | 2021-10-29 | 2021-10-29 | Device for corrosion prevention of tower leg soil of power transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122654940.0U CN216405462U (en) | 2021-10-29 | 2021-10-29 | Device for corrosion prevention of tower leg soil of power transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216405462U true CN216405462U (en) | 2022-04-29 |
Family
ID=81298673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122654940.0U Active CN216405462U (en) | 2021-10-29 | 2021-10-29 | Device for corrosion prevention of tower leg soil of power transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216405462U (en) |
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2021
- 2021-10-29 CN CN202122654940.0U patent/CN216405462U/en active Active
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