CN110860814A - A kind of corrosion-resistant concrete segmented rod and its manufacturing method - Google Patents

Abstract

The application discloses corrosion-resistant concrete segmentation pole and manufacturing method thereof includes: the concrete segment pole rod comprises: the combination divides segmentation ring and evenly distributed and welds the segmentation pole steel reinforcement cage of the combination segmentation ring inner wall, segmentation pole steel reinforcement cage is used for the cast moulding. One end of the combined segmented ring is a welding end and is used for welding with other concrete segmented rod rods. The surface layer of a welding seam at the bevel end between the two concrete segmented rod rods is a stainless steel anti-rust layer; the combined segmented ring comprises a metal segmented ring and an anti-corrosion sleeve, and the anti-corrosion sleeve is sleeved on the outer layer of the metal segmented ring. The corrosion-resistant stainless steel anti-corrosion sleeve is covered outside the metal ring which is easy to corrode, so that the metal ring inside bears the strength and the bending resistance, the stainless steel anti-corrosion sleeve and the stainless steel welding line which are covered outside bear the anti-corrosion function, and the technical problem that an anti-corrosion layer of the segmented ring of the segmented rod is easy to drop and corrode is solved.

Description

A kind of corrosion-resistant concrete segmented rod and its manufacturing method

technical field

The present application relates to the technical field of power supply, and in particular, to a corrosion-resistant concrete segmented rod and a manufacturing method thereof.

Background technique

With the development of the electric power industry, concrete poles with painted anti-corrosion layer black metal segmented rings are widely used in power transmission towers, substation structure brackets and other fields. The corrosion of the segmented ring not only affects the beauty of the power transmission tower and the substation structural support, but also seriously causes the deformation, damage, and collapse of the segmented pole support.

At present, the segmented rods used for power transmission lines and substation structural supports are protected by anti-rust primers at the metal ring and 2 to 3 layers of paint anti-corrosion coatings (such as alkyd enamel).

However, due to the problems of low bonding strength of the paint anti-corrosion layer and short paint life, the paint anti-corrosion layer is prone to fall off and the paint anti-corrosion layer is corroded. During the operation, the power must be cut off every 2 to 3 years to carry out the paint painting work. In areas with strong ultraviolet rays on the plateau, power outages must be performed every 1 to 2 years for painting work, which limits the application of segmented poles in high-altitude areas.

SUMMARY OF THE INVENTION

The present application provides a corrosion-resistant concrete segmented rod and a manufacturing method thereof, so as to solve the technical problem that the anti-corrosion layer of the segmented rod is prone to fall off and corrode.

In order to solve the above technical problems, the embodiments of the present application disclose the following technical solutions:

In a first aspect, an embodiment of the present application discloses a method for manufacturing a corrosion-resistant concrete segmented rod, comprising: inserting an anti-corrosion sleeve on the outside of a metal segmented ring of the segmented rod to form a combined segmented ring;

Process an inclined welding groove on the welding end of the combined segmented ring;

Distributing steel bars on the inner wall of the combined segmented ring evenly and welding it on the inner wall of the segmented ring to form a segmented rod reinforcement cage welded with the combined segmented ring;

pouring the segmented bar reinforcement cage to form a concrete segmented bar;

Butt-weld the beveled ends of the two concrete segmented poles.

Optionally, the processing method of inserting an anti-corrosion sleeve on the outside of the metal segmented ring of the segmented rod includes: hot pressing, explosion, rolling welding, heat sleeve, strip surfacing, brazing, end point point. any one of welding.

Optionally, performing butt welding on the welding grooves of the two concrete segmented poles includes: aligning the welding grooves of the two concrete segmented poles, so that the two welding grooves form V-shaped ports; Use a carbon steel electrode to weld the inside of the V-shaped port; use a stainless steel electrode to weld the surface of the V-shaped port.

In a second aspect, an embodiment of the present application discloses a corrosion-resistant concrete segmented rod, comprising: a plurality of concrete segmented rods, and the concrete segmented rods are connected by welding, wherein:

The concrete segmented pole rod includes: a combined segmented ring and the segmented bar reinforcement cage composed of steel bars that are uniformly distributed and welded on the inner wall of the combined segmented ring, and the segmented bar reinforcement cage is formed by casting to form concrete. segmented pole;

The surface layer of the welding seam between the concrete segmented poles is a stainless steel rust-proof layer;

The combined segmented ring comprises a metal segmented ring and an anti-corrosion sleeve, and the anti-corrosion sleeve is sleeved on the outer layer of the metal segmented ring;

One end of the combined segmented ring is a welding end, which is used for welding with other concrete segmented poles.

Optionally, the welding end of the combined segmented ring is in the form of an inclined notch, and the inclination angle is 10°˜35°.

Optionally, the anti-corrosion sleeve is a stainless steel anti-corrosion sleeve.

Optionally, the thickness of the stainless steel anti-rust layer on the surface of the welding seam between the concrete segmented poles is 1-4 mm.

Compared with the prior art, the beneficial effects of the present application are:

The application discloses a corrosion-resistant concrete segmented pole and a manufacturing method thereof, comprising: a plurality of concrete segmented poles, and the concrete segmented poles are welded and connected to form an integral utility pole. Wherein: the concrete segmented pole rod comprises: a combined segmented ring and a segmented bar reinforcement cage uniformly distributed and welded on the inner wall of the combined segmented ring, and the segmented bar reinforcement cage is used for casting. One end of the combined segmented ring is a welding end, which is used for welding with other concrete segmented poles. The surface layer of the groove end weld between the two concrete segmented poles is a stainless steel anti-rust layer; the combined segmented ring includes a metal segmented ring and an anti-corrosion sleeve, and the anti-corrosion sleeve is sleeved on the metal segment the outer layer of the ring. A corrosion-resistant stainless steel anti-corrosion sleeve is covered on the outside of the rust-prone metal ring, so that the inner metal ring can bear the strength and bending resistance, and the outer stainless steel anti-corrosion sleeve and stainless steel welding seam can bear the anti-corrosion function, which solves the problem of the segmented rod. The anti-corrosion layer is prone to technical problems of peeling and corrosion.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present application.

Description of drawings

In order to illustrate the technical solutions of the present application more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, for those of ordinary skill in the art, without creative work, the Additional drawings can be obtained from these drawings.

Fig. 1 is the structural representation of a kind of corrosion-resistant concrete segment rod provided by the embodiment of the application;

Among them: 1- concrete segmented pole, 2- steel bar, 3 non-grooved end, 4- metal segmented ring, 5- anti-corrosion sleeve, 6- groove end weld inner layer, 7- groove end weld surface layer .

Detailed ways

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described The embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present application.

The embodiment of the present application discloses a corrosion-resistant concrete segmented pole, comprising: a plurality of concrete segmented poles 1, and the concrete segmented poles 1 are connected by welding, wherein:

The concrete segmented pole rod 1 includes: a combined segmented ring and the segmented bar reinforcement cage composed of the steel bars 2 evenly distributed and welded on the inner wall of the combined segmented ring. Concrete segmented pole pole 1 is formed.

The combined segmented ring includes a metal segmented ring 4 and an anti-corrosion sleeve 5 , and the anti-corrosion sleeve 5 is sleeved on the outer layer of the metal segmented ring 4 . The metal segmented ring 4 is a ferrous metal segmented ring, specifically a Q345 steel metal segmented ring; the anti-corrosion sleeve 5 is a stainless steel anti-corrosion sleeve, specifically a 1Cr18Ni9Ti steel anti-corrosion sleeve. The stainless steel anti-corrosion sleeve is located outside the metal segmented ring 4, which isolates the metal segmented ring 4 from the outside air and reduces the corrosion of the metal segmented ring 4 by the external humid environment; The corrosion resistance of the combined segmented ring improves the service time of the concrete segmented rod. At the same time, because the connection method between the anti-corrosion sleeve and the metal segmented ring 4 is any one of hot pressing, explosion, rolling welding, hot sleeve, strip surfacing, brazing, and end spot welding, so that The connection between the anti-corrosion layer and the segmented ring is tight, and it is not easy to fall off.

One end of the combined segmented ring is a welding groove end, which is used for welding with other concrete segmented poles 1 ; the other end of the combined segmented ring is a non-grooved end 3 . Wherein, the welding groove end of the combined segmented ring is in the form of an inclined notch, and the inclination angle is 10°-35°, which increases the welding area between different concrete segmented poles 1 and increases the tightness.

The surface layer 7 of the groove end weld between the concrete segmented poles 1 is a stainless steel rust-proof layer, and the inner layer 6 of the groove end weld between the concrete segmented poles 1 can be a carbon steel layer. Can be a stainless steel layer. The surface layer 7 of the groove end weld between the concrete segmented poles 1 is an austenitic stainless steel rust-proof layer. And the thickness of the stainless steel anti-rust layer on the surface of the welding seam between the concrete segmented poles 1 is 1-4 mm. Preferably, the thickness of the stainless steel anti-rust layer on the surface of the welding seam between the concrete segmented poles 1 is 3 mm. The outer surface of the segmented ring of the corrosion-resistant concrete segmented rod, including the weld seam, is covered by austenitic stainless steel, which has strong corrosion resistance, and does not require anti-corrosion maintenance during the entire service period, which significantly improves the service life of the segmented rod.

The embodiment of the present application also discloses a method for manufacturing a corrosion-resistant concrete segmented rod, comprising:

An anti-corrosion sleeve is sleeved on the outside of the metal segmented ring of the segmented rod to form a combined segmented ring, wherein the sleeve processing methods include: hot pressing, explosion, rolling welding, heat shrinking, strip surfacing, brazing , Any of the end spot welding. The anti-corrosion sleeve is sleeved on the outside of the metal segmented ring to isolate the humid air, and the corrosion of the metal segmented ring of the segmented rod is avoided, while the outer surface of the segmented ring of the corrosion-resistant concrete segmented rod is covered with austenite. Covered in stainless steel, it has strong anti-corrosion ability, no anti-corrosion maintenance is required during the entire service period, and the service life of the segmented rod is significantly improved.

The steel bars are evenly distributed and welded on the inner wall of the combined segmented ring to form a segmented bar reinforcement cage; the segmented bar reinforcement cage is poured to form a concrete segmented bar.

An inclined welding groove is processed at one end of the combined segmented ring, and the processing is carried out by means of machining; the welding groove ends of the two concrete segmented poles are butt welded. Wherein, the bevel end of the combined segmented ring is in the form of an inclined notch, and the inclination angle is 10°˜35°. Increase the welding area between different concrete segmented poles, increase the tightness, improve the overall safety performance of the concrete segmented poles, and significantly improve the service life of the concrete segmented poles. Specifically, the welding groove ends of the two concrete segmented poles are aligned, so that the two welding grooves form a V-shaped port. Use a carbon steel electrode to weld the inside of the V-shaped port, and use a stainless steel electrode to weld the surface of the V-shaped port; or use all stainless steel electrodes to weld the V-shaped port, so that the welds of the two concrete segmented poles are outside the welding seam. The surface is covered with austenitic stainless steel, which has strong corrosion resistance, and does not require anti-corrosion maintenance during the entire service period, significantly improving the service life of the segmented rod.

To sum up, the embodiment of the present application discloses a corrosion-resistant concrete segmented rod and a manufacturing method thereof, comprising: a plurality of concrete segmented rods, where multiple means two or more, and the concrete is divided into two or more. The poles and poles are welded and connected to form an integral utility pole. Wherein: the concrete segmented pole rod comprises: a combined segmented ring and a segmented bar reinforcement cage uniformly distributed and welded on the inner wall of the combined segmented ring, and the segmented bar reinforcement cage is used for casting. One or both ends of the combined segmented ring is a welding end, which is used for welding with other concrete segmented poles. The surface layer of the groove end weld between the two concrete segmented poles is a stainless steel anti-rust layer; the combined segmented ring includes a metal segmented ring and an anti-corrosion sleeve, and the anti-corrosion sleeve is sleeved on the metal segment the outer layer of the ring. A corrosion-resistant stainless steel anti-corrosion sleeve is covered on the outside of the rust-prone metal ring, so that the inner metal ring can bear the strength and bending resistance, and the outer stainless steel anti-corrosion sleeve and stainless steel welding seam can bear the anti-corrosion function, which solves the problem of the segmented rod. The anti-corrosion layer is prone to the technical problems of falling off and corrosion, which improves the service life of the segmented rod.

Since the above embodiments are all cited and combined with other modes for description, different embodiments all have the same parts, and the same and similar parts among the various embodiments in this specification can be referred to each other. It will not be elaborated here.

It should be noted that, in this specification, relational terms such as "first" and "second" etc. are only used to distinguish one entity or operation from another entity or operation, and are not necessarily required or implied Any such actual relationship or ordering exists between these entities or operations. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a circuit structure, article or device comprising a list of elements includes not only those elements, but also not expressly listed Other elements, or elements inherent to such a circuit structure, article, or device are also included. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in the circuit structure, article or device that includes the element.

Other embodiments of the present application will readily suggest themselves to those skilled in the art upon consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses or adaptations of the present invention that follow the general principles of this application and include common knowledge or common technical means in the technical field not disclosed in this application . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the application being indicated by the content of the claims.

The above-described embodiments of the present application do not limit the protection scope of the present application.

Claims (7)

1. a manufacture method of corrosion-resistant concrete segmented rod, is characterized in that, comprises: An anti-corrosion sleeve is sleeved on the outside of the metal segmented ring to form a combined segmented ring; Machining an inclined welding groove at one end of the combined segmented ring; Distributing the reinforcing bars evenly and welding them on the inner wall of the combined segmented ring to form a segmented bar reinforcing bar cage; pouring the segmented bar reinforcement cage to form a concrete segmented bar; Butt-weld the beveled ends of the two concrete segmented poles. 2 . The method for manufacturing a corrosion-resistant concrete segmented rod according to claim 1 , wherein the method for inserting an anti-corrosion sleeve on the outside of the metal segmented ring of the segmented rod comprises: hot pressing, explosion , any one of rolling welding, heat sleeve, strip surfacing, brazing, and end spot welding. 3 . The method for manufacturing a corrosion-resistant concrete segmented rod according to claim 1 , wherein the performing butt welding on the welding groove ends of the two concrete segmented rods comprises: welding the two concrete segmented rods. 4 . The welding groove ends of the rod are aligned so that the two welding grooves form a V-shaped port; a carbon steel electrode is used to weld the inside of the V-shaped port; a stainless steel electrode is used to weld the surface of the V-shaped port. 4. A corrosion-resistant concrete segmented pole, characterized in that it comprises: a plurality of concrete segmented poles, and the concrete segmented poles are connected by welding, wherein: The concrete segmented pole rod includes: a combined segmented ring and the segmented bar reinforcement cage composed of steel bars that are uniformly distributed and welded on the inner wall of the combined segmented ring, and the segmented bar reinforcement cage is formed by casting to form concrete. segmented pole; The surface layer of the welding seam between the concrete segmented poles is a stainless steel rust-proof layer; The combined segmented ring comprises a metal segmented ring and an anti-corrosion sleeve, and the anti-corrosion sleeve is sleeved on the outer layer of the metal segmented ring; One end of the combined segmented ring is a welding groove end, which is used for welding with other concrete segmented poles. 5 . The corrosion-resistant concrete segmented rod according to claim 4 , wherein the groove end of the combined segmented ring is in the form of an inclined notch, and the inclination angle is 10° to 35°. 6 . 6 . The corrosion-resistant concrete segmented rod according to claim 4 , wherein the anti-corrosion sleeve is a stainless steel anti-corrosion sleeve. 7 . 7 . The corrosion-resistant concrete segmented pole according to claim 4 , wherein the thickness of the stainless steel antirust layer on the surface of the weld between the concrete segmented poles is 1-4 mm. 8 .

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