An open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device

Abstract

The present invention discloses an open-hole weathering steel transmission tower conductor cross arm node anti-corrosion device, wherein the device comprises: a hanging angle steel, comprising a bottom plate and a vertical plate, wherein the vertical plate is connected to the bottom plate; a vertical stiffening rib, welded between the vertical plate and the bottom plate; wherein a vertical through hole is provided at a position on the bottom plate close to the vertical stiffening rib. Since a vertical through hole is provided at a position on the bottom plate close to the vertical stiffening rib, when there is rain, rainwater will fall from the vertical through hole, and then water will not accumulate on the horizontal node plate, especially at the weld position, thereby solving the problem of electrochemical corrosion caused by water accumulation on the hanging angle steel and the weld forming an electrical circuit.

Description

Technical Field

[0001] The invention relates to an open-hole weathering steel transmission iron tower conductor cross-arm node anti-corrosion device, belonging to the technical field of weathering steel transmission iron towers. Background Art

[0002] Weathering steel transmission towers are a new type of material used in transmission tower structures. Due to their weather-resistant properties, the original galvanizing process for transmission towers is eliminated, thereby achieving a more environmentally friendly purpose. However, in actual applications, the applicant has found that the nodes of existing weathering steel transmission towers are prone to corrosion, which will reduce the service life of weathering steel transmission towers. Summary of the invention

[0003] Based on the above, the present invention provides an open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device to solve the technical problem that the existing weathering steel transmission tower is prone to corrosion at the nodes, thereby reducing the service life of the weathering steel transmission tower.

[0004] The technical solution of the present invention is: an open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device, wherein the device comprises:

[0005] The hanging angle steel comprises a bottom plate and a vertical plate, wherein the vertical plate is connected to the bottom plate;

[0006] Vertical stiffening ribs, welded between the vertical plate and the bottom plate;

[0007] Wherein, a vertical through hole is provided on the bottom plate at a position close to the vertical stiffening rib.

[0008] In one example, the vertical stiffening rib has a vertical portion and a bottom portion, the vertical portion is welded to the end surface of the vertical plate, and the bottom portion is welded to the end surface of the bottom plate.

[0009] In one example, two vertical stiffening ribs are welded to each side of the vertical plate.

[0010] In one example, three vertical through holes are respectively provided on the bottom plate located on both sides of the vertical plate, one of the vertical through holes is located between two vertical stiffening ribs, and the other two vertical through holes are respectively located outside the two vertical stiffening ribs.

[0011] In one example, the apparatus further comprises:

[0012] A vertical node plate, welded to the vertical plate;

[0013] The vertical diagonal material is fixed on the vertical node plate.

[0014] In one example, the vertical diagonal material is disposed on the other side opposite to the weld between the vertical gusset plate and the vertical plate.

[0015] In one example, the upper end surface of the base plate is a slope structure, wherein the portion close to the vertical plate is a high portion, and the portion close to the edge of the base plate is a low portion, so as to guide rainwater from the high portion to the low portion.

[0016] After a lot of in-depth investigations, the applicant found that due to the differences in the tower base material and the weld connection material, there is a potential difference between the two. When water accumulates in the welding node, water is used as an electrolyte, forming a loop inside and outside, causing electron migration, thereby accelerating the electrochemical corrosion effect of the weathering steel welding node. The generation of this electrochemical corrosion effect will have an adverse effect on the node's bearing capacity and production capacity. However, due to the large number of stiffening plates at the cross-arm welding nodes of the weathering steel tower conductors, the node connection structure is complex and the drainage is not smooth. Water is easily accumulated at the nodes during the rainy season, which is not conducive to the full life cycle use of the weathering steel tower.

[0017] The beneficial effect of the present invention is that after adopting the present device, since a vertical through hole is opened on the bottom plate near the vertical stiffening rib, when it rains, rainwater will fall from the vertical through hole, and water will not accumulate on the horizontal node plate, especially at the weld position, thereby solving the problem of electrochemical corrosion caused by water accumulation on the hanging angle steel forming an electrical circuit with the weld. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the front view of the anti-corrosion device for the cross arm node of the open-hole weathering steel transmission tower conductor;

[0019] Figure 2 It is a top view of the anti-corrosion device for the cross arm node of the open-hole weathering steel transmission tower conductor;

[0020] Description of reference numerals:

[0021] 1 hanging angle steel, 11 bottom plate, 12 vertical plate, 2 vertical stiffening ribs, 3 vertical through holes, 4 vertical node plates, 5 vertical diagonal materials. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] See also Figure 1 and Figure 2 An embodiment of the present invention provides an anti-corrosion device for a cross-arm node of a conductor of an open-hole weathering steel transmission tower, and the device includes a hanging angle steel 1 and a vertical stiffening rib 2.

[0025] The wire hanging angle steel 1 is mainly used for wire hanging. The wire hanging angle steel 1 includes a bottom plate 11 and a vertical plate 12, and the vertical plate 12 is connected to the bottom plate 11. The vertical stiffening rib 2 is welded between the vertical plate 12 and the bottom plate 11. A vertical through hole 3 is provided on the bottom plate 11 near the vertical stiffening rib 2. In this embodiment, the aperture of the vertical through hole 3 can be 17.5 mm.

[0026] Specifically, the vertical stiffening ribs 2 are welded between the vertical plate 12 and the bottom plate 11 to form a plurality of welds. Since a vertical through hole 3 is provided on the bottom plate 11 near the vertical stiffening rib 2, when it rains, rainwater will fall through the vertical through hole 3, and water will not accumulate on the horizontal node plate, especially at the weld position, thereby solving the problem of electrochemical corrosion caused by water accumulation on the hanging angle steel 1 and forming an electrical circuit with the weld.

[0027] Furthermore, in the present device, the vertical stiffening rib 2 has a vertical portion and a bottom portion, the vertical portion is welded to the end surface of the vertical plate 12, and the bottom portion is welded to the end surface of the bottom plate 11. Since the vertical portion and the bottom portion of the vertical stiffening rib 2 are respectively welded to the bottom plate 11 and the vertical plate 12 of the hanging angle steel 1, this structure can improve the structural stability of the hanging angle steel 1.

[0028] Furthermore, in the present device, two vertical stiffening ribs 2 are welded on both sides of the vertical plate 12. Three vertical through holes 3 are respectively provided on the bottom plate 11 located on both sides of the vertical plate 12, one of the vertical through holes 3 is located between the two vertical stiffening ribs 2, and the other two vertical through holes 3 are respectively located outside the two vertical stiffening ribs 2. Since each weld between the vertical stiffening rib 2 and the bottom plate 11 is provided with a vertical through hole 3, rainwater can be discharged in time, thereby further improving the anti-corrosion effect.

[0029] Furthermore, the device further comprises a vertical gusset plate 4 and a vertical diagonal material 5, wherein the vertical gusset plate 4 is welded to the vertical plate 12, and the vertical diagonal material 5 is fixed to the vertical gusset plate 4. Moreover, the vertical diagonal material 5 is arranged on the other side opposite to the weld of the vertical gusset plate 4 and the vertical plate 12. When this structure is used, the vertical diagonal material 5 will never collide with or contact the weld, thereby preventing the vertical diagonal material 5 from contacting with the weld to form an electrical circuit, thereby preventing the problem of electrochemical corrosion.

[0030] Furthermore, in the present device, the upper end surface of the bottom plate 11 is a slope structure, wherein the part close to the vertical plate 12 is a high part, and the part close to the edge of the bottom plate 11 is a low part, so as to guide rainwater from the high part to the low part. When it rains, the rainwater will flow along the slope on the bottom plate 11 to the edge, and then water will not accumulate on the bottom plate 11, which effectively solves the problem of electrochemical corrosion caused by the formation of an electrical circuit with the weld due to water accumulation on the bottom plate 11.

[0031] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device, wherein: The device comprises: A wire hanging angle steel (1) comprises a bottom plate (11) and a vertical plate (12), wherein the vertical plate (12) is connected to the bottom plate (11); A vertical stiffening rib (2) welded between the vertical plate (12) and the bottom plate (11); A vertical node plate (4) welded to the vertical plate (12); A vertical diagonal member (5) is fixedly mounted on the vertical node plate (4); A vertical through hole (3) is provided on the bottom plate (11) at a position close to the vertical stiffening rib (2), the vertical oblique material (5) is provided on the other side opposite to the weld between the vertical node plate (4) and the vertical plate (12), and the upper end surface of the bottom plate (11) is a slope structure, wherein the portion close to the vertical plate (12) is a high portion, and the portion close to the edge of the bottom plate (11) is a low portion, so as to guide rainwater from the high portion to the low portion.

2. The open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device according to claim 1, wherein: The vertical stiffening rib (2) comprises a vertical portion and a bottom portion, the vertical portion is welded to the end surface of the vertical plate (12), and the bottom portion is welded to the end surface of the bottom plate (11).

3. The open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device according to claim 1, wherein: Two vertical stiffening ribs (2) are welded to each side of the vertical plate (12).

4. The open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device according to claim 3, wherein: Three vertical through holes (3) are respectively provided on the bottom plate (11) located on both sides of the vertical plate (12), one of the vertical through holes (3) is located between two vertical stiffening ribs (2), and the other two vertical through holes (3) are respectively located outside the two vertical stiffening ribs (2).

5. The open-hole weathering steel transmission tower conductor cross-arm node anti-corrosion device according to claim 1, wherein: The diameter of the vertical through hole (3) is 17.5 mm.

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