CN110860814A - Corrosion-resistant concrete sectional rod and manufacturing method thereof - Google Patents
Corrosion-resistant concrete sectional rod and manufacturing method thereof Download PDFInfo
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- CN110860814A CN110860814A CN201911115595.4A CN201911115595A CN110860814A CN 110860814 A CN110860814 A CN 110860814A CN 201911115595 A CN201911115595 A CN 201911115595A CN 110860814 A CN110860814 A CN 110860814A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/12—Structures made of specified materials of concrete or other stone-like material, with or without internal or external reinforcements, e.g. with metal coverings, with permanent form elements
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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
Technical Field
The application relates to the technical field of power supply, in particular to a corrosion-resistant concrete sectional rod and a manufacturing method thereof.
Background
With the development of the power industry, concrete poles with painted anticorrosive coatings and ferrous metal segmented rings are widely applied to the fields of power transmission towers, transformer substation structural supports and the like, and the segmented rings of the concrete poles are easy to corrode due to the fact that the paint is weak in anticorrosive capacity and short in service life, so that the attractiveness of the power transmission towers and the transformer substation structural supports is affected, and the segmented pole supports are seriously deformed, damaged, inverted and inverted.
At present, the segmented rod for the power transmission line and the transformer substation structure support is subjected to corrosion prevention through a paint anticorrosive layer of 2-3 layers of ready mixed paint (such as alkyd enamel) added on an antirust primer at a metal ring.
However, due to the problems of low bonding strength of the paint anticorrosive layer, short paint service life and the like, the problems of falling off of the paint anticorrosive layer and corrosion of the paint anticorrosive layer are easy to occur, and power needs to be cut off every 2 to 3 years during operation to carry out paint brushing work. In areas with strong ultraviolet on plateaus, power needs to be cut off every 1 to 2 years to carry out paint brushing work, so that the application of the sectional rod in the areas with high altitudes is limited.
Disclosure of Invention
The application provides a corrosion-resistant concrete sectional rod and a manufacturing method thereof, which aim to solve the technical problem that an anticorrosive coating of the sectional rod is easy to fall off and corrode.
In order to solve the technical problem, the embodiment of the application discloses the following technical scheme:
in a first aspect, an embodiment of the present application discloses a method for manufacturing a corrosion-resistant concrete segment rod, including: an anti-corrosion sleeve is sleeved outside the metal segmented ring of the segmented rod to form a combined segmented ring;
processing an inclined welding groove at the welding end of the combined segmented ring;
uniformly distributing reinforcing steel bars on the inner wall of the combined segmented ring and welding the reinforcing steel bars on the inner wall of the segmented ring to form a segmented bar reinforcement cage welded with the combined segmented ring;
pouring the segmented rod reinforcement cage to form a concrete segmented rod;
and butt welding the welding bevel ends of the two concrete sectional rod rods.
Optionally, the processing method for sleeving the anticorrosion sleeve outside the metal segmented ring of the segmented rod comprises the following steps: any one of hot pressing, explosion, rolling welding, hot sleeving, strip surfacing, brazing and end spot welding.
Optionally, the butt welding the welding grooves of the two concrete segment rod sub-rods includes: aligning the welding grooves of the two concrete segmented rod rods, so that the two welding grooves form a V-shaped port; welding the interior of the V-shaped port by using a carbon steel welding rod; and welding the surface of the V-shaped port by using a stainless steel welding rod.
In a second aspect, the present application discloses a corrosion-resistant concrete segment rod, including: a plurality of concrete segmentation pole poles, welded connection between the concrete segmentation pole, wherein:
the concrete segment pole rod comprises: the concrete segmented rod reinforcing cage is formed by a combined segmented ring and reinforcing steel bars which are uniformly distributed and welded on the inner wall of the combined segmented ring, and a concrete segmented rod sub-rod is formed after the concrete segmented rod reinforcing cage is cast and molded;
the surface layer of a welding seam between the 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;
one end of the combined segmented ring is a welding end and is used for welding with other concrete segmented rod rods.
Optionally, the welding end of the combined segmented ring is in an inclined cut form, and the inclination angle is 10-35 °.
Optionally, the corrosion-resistant sleeve is a stainless steel corrosion-resistant sleeve.
Optionally, the thickness of the stainless steel antirust layer on the surface layer of the welding seam between the concrete segmental rods is 1-4 mm.
Compared with the prior art, the beneficial effect of this application is:
the application discloses corrosion-resistant concrete segmentation pole and manufacturing method thereof includes: the concrete segmented pole rods are connected in a welding mode to form the integral telegraph pole. Wherein: 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 rod is easy to fall off and corrode is solved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a corrosion-resistant concrete segment bar according to an embodiment of the present disclosure;
wherein: 1-concrete segment rod, 2-reinforcing steel bar, 3 non-bevel end, 4-metal segment ring, 5-anticorrosion sleeve, 6-bevel end weld joint inner layer and 7-bevel end weld joint surface layer.
Detailed Description
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 clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application discloses corrosion-resistant concrete segmentation pole includes: a plurality of concrete segmentation pole 1, welded connection between the concrete segmentation pole 1, wherein:
the concrete segment pole 1 includes: the combination divides segmentation ring and evenly distributed and welding the combination divide the reinforcing bar 2 of segmentation ring inner wall to constitute segmentation pole steel reinforcement cage, form concrete segmentation pole sub-pole 1 after segmentation pole steel reinforcement cage casting moulding.
The combined segmented ring comprises a metal segmented ring 4 and an anti-corrosion sleeve 5, wherein the anti-corrosion sleeve 5 is sleeved on the outer layer of the metal segmented ring 4. Wherein the metal segment ring 4 is a ferrous metal segment ring, in particular a Q345 steel metal segment ring; the anti-corrosion sleeve 5 is a stainless steel anti-corrosion sleeve, in particular to a 1Cr18Ni9Ti steel anti-corrosion sleeve. The stainless steel anti-corrosion sleeve is positioned outside the metal segmented ring 4, so that the metal segmented ring 4 is isolated from the outside air, and the corrosion of the external humid environment to the metal segmented ring 4 is reduced; the stainless steel anti-rust sleeve has the characteristic of corrosion resistance, so that the corrosion resistance of the combined segmented ring is improved, and the service time of the concrete segmented rod is prolonged. Meanwhile, the connection mode of the anti-corrosion sleeve and the metal segment ring 4 is any one of hot pressing, explosion, rolling welding, hot sleeve, strip surfacing, brazing and end spot welding, so that the anti-corrosion layer and the segment ring are tightly connected and are not easy to fall off.
One end of the combined segmented ring is a welding bevel end and is used for welding with other concrete segmented pole rods 1; the other end of the combined segmented ring is a non-beveled end 3. The welding bevel end of the combined segmented ring is in an inclined notch form, the inclination angle is 10-35 degrees, the welding area among the concrete segmented rod rods 1 is increased, and the tightness is increased.
The surface layer 7 of the welding line at the bevel end between the concrete segmented rod rods 1 is a stainless steel anti-rust layer, and the inner layer 6 of the welding line at the bevel end between the concrete segmented rod rods 1 can be a carbon steel layer or a stainless steel layer. And the welding seam surface layer 7 at the bevel end between the concrete section rod rods 1 is an austenitic stainless steel anti-rust layer. And the thickness of the stainless steel antirust layer on the surface layer of the welding seam between the concrete segmental rod rods 1 is 1-4 mm. Preferably, the thickness of the stainless steel antirust layer of the surface layer of the welding seam between the concrete segmental rod rods 1 is 3 mm. The outer surface of the segmented ring of the corrosion-resistant concrete segmented rod is covered by austenitic stainless steel including welding seams, so that the corrosion-resistant concrete segmented rod has strong corrosion resistance, corrosion-resistant maintenance is not needed in the whole service period, and the service life of the segmented rod is obviously prolonged.
The embodiment of the application simultaneously discloses a manufacturing method of corrosion-resistant concrete sectional rod, including:
an anti-corrosion sleeve is sleeved outside a metal segmented ring of the segmented rod to form a combined segmented ring, wherein the sleeving processing method comprises the following steps: any one of hot pressing, explosion, rolling welding, hot sleeving, strip surfacing, brazing and end spot welding. The anti-corrosion sleeve is sleeved outside the metal segmented ring to isolate moist air, so that the corrosion of the metal segmented ring of the segmented rod is avoided, the outer surface of the anti-corrosion concrete segmented ring is covered by austenitic stainless steel, the anti-corrosion concrete segmented ring has strong anti-corrosion capability, anti-corrosion maintenance is not needed in the whole service period, and the service life of the segmented rod is obviously prolonged.
Uniformly distributing and welding reinforcing steel bars on the inner wall of the combined segmented ring to form a segmented bar reinforcement cage; and pouring the segmented rod reinforcement cage to form the concrete segmented rod.
Processing an inclined welding groove at one end of the combined segmented ring, and processing in a machining mode; and butt welding the welding bevel ends of the two concrete sectional rod rods. Wherein, the bevel end of the combined segment ring is in an inclined cut form, and the inclination angle is 10-35 degrees. Increase the welding area between different concrete segmentation pole poles, increase the tautness, improve the whole security performance of concrete segmentation pole, show improvement concrete segmentation pole life. Specifically, the welding bevel ends of the two concrete segmented rod rods are aligned, so that the two welding bevels form a V-shaped port. Welding the interior of the V-shaped port by using a carbon steel welding rod, and welding the surface of the V-shaped port by using a stainless steel welding rod; or all stainless steel welding rods are used for welding the V-shaped ports, so that the outer surfaces of the welding seams of the two concrete section rod rods are covered by austenitic stainless steel, the concrete section rod has strong corrosion resistance, corrosion prevention maintenance is not needed in the whole service period, and the service life of the section rod is obviously prolonged.
In summary, the embodiment of the present application discloses a corrosion-resistant concrete sectional rod and a manufacturing method thereof, including: a plurality of concrete segmented pole rods, here a plurality indicates two or more, are welded together to form a unitary utility pole. Wherein: 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 or two ends of the combined segmenting ring are welding ends and are used for welding with other concrete segmenting 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, the technical problem that an anti-corrosion layer of the segmented rod is easy to drop and corrode is solved, and the service life of the segmented rod is prolonged.
Since the above embodiments are all described by referring to and combining with other embodiments, the same portions are provided between different embodiments, and the same and similar portions between the various embodiments in this specification may be referred to each other. And will not be described in detail herein.
It is noted that, in this specification, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a circuit structure, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such circuit structure, article, or apparatus. Without further limitation, the presence of an element identified by the phrase "comprising an … …" does not exclude the presence of other like elements in a circuit structure, article or device comprising the element.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
The above-described embodiments of the present application do not limit the scope of the present application.
Claims (7)
1. A method of making a corrosion resistant concrete segmented pole, comprising:
an anti-corrosion sleeve is sleeved outside the metal segmented ring to form a combined segmented ring;
processing an inclined welding groove at one end of the combined segmented ring;
uniformly distributing and welding reinforcing steel bars on the inner wall of the combined segmented ring to form a segmented bar reinforcement cage;
pouring the segmented rod reinforcement cage to form a concrete segmented rod;
and butt welding the welding bevel ends of the two concrete sectional rod rods.
2. The method of claim 1, wherein the step of fitting an anti-corrosion sleeve to the outside of the metal segment rings of the segmented pole comprises: any one of hot pressing, explosion, rolling welding, hot sleeving, strip surfacing, brazing and end spot welding.
3. The method of manufacturing a corrosion resistant concrete segment pole of claim 1, wherein butt welding the welded beveled ends of two concrete segment pole poles comprises: aligning the welding bevel ends of the two concrete segmented rod rods to enable the two welding bevels to form V-shaped ports; welding the interior of the V-shaped port by using a carbon steel welding rod; and welding the surface of the V-shaped port by using a stainless steel welding rod.
4. A corrosion resistant concrete segmented pole, comprising: a plurality of concrete segmentation pole poles, welded connection between the concrete segmentation pole, wherein:
the concrete segment pole rod comprises: the concrete segmented rod reinforcing cage is formed by a combined segmented ring and reinforcing steel bars which are uniformly distributed and welded on the inner wall of the combined segmented ring, and a concrete segmented rod sub-rod is formed after the concrete segmented rod reinforcing cage is cast and molded;
the surface layer of a welding seam between the 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;
one end of the combined segmented ring is a welding bevel end and is used for welding with other concrete segmented rod rods.
5. The corrosion-resistant concrete segmented pole according to claim 4, wherein the beveled end of the combined segmented ring is in the form of an inclined cut, the angle of inclination being 10-35 °.
6. The corrosion resistant concrete segmented pole of claim 4, wherein said corrosion resistant jacket is a stainless steel corrosion resistant jacket.
7. The corrosion resistant concrete segmented rod of claim 4, wherein the stainless steel rust inhibiting layer of the weld surface layer between the concrete segmented rod rods has a thickness of 1-4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911115595.4A CN110860814A (en) | 2019-11-14 | 2019-11-14 | Corrosion-resistant concrete sectional rod and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911115595.4A CN110860814A (en) | 2019-11-14 | 2019-11-14 | Corrosion-resistant concrete sectional rod and manufacturing method thereof |
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| CN110860814A true CN110860814A (en) | 2020-03-06 |
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| CN1210044A (en) * | 1998-08-14 | 1999-03-10 | 侯贤忠 | Carbon steel pipe with inner and outer corrosionproof stainless steel coatings and production thereof |
| CN201011176Y (en) * | 2007-01-25 | 2008-01-23 | 李留成 | Anti-corrosion steel fiber reinforced concrete telephone pole |
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| CN204920414U (en) * | 2015-06-11 | 2015-12-30 | 国家电网公司 | Segment to peg graft concurrent and insertion rod section thereof |
| CN106641580A (en) * | 2016-12-21 | 2017-05-10 | 浙江大学 | Connection device and method of anti-corrosion tube sheet heat exchanger |
| CN207033017U (en) * | 2017-05-25 | 2018-02-23 | 河北万庆电力器材科技有限公司 | Anticollision reinforcement type cement pole |
| CN209339706U (en) * | 2018-12-19 | 2019-09-03 | 安徽复星电力设计咨询有限公司 | A kind of segmentation electric pole |
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2019
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0469353A1 (en) * | 1990-07-31 | 1992-02-05 | Günter Witte | External covering for reinforced concrete surfaces |
| JPH1121883A (en) * | 1997-07-07 | 1999-01-26 | Tanaka Shokai:Kk | Joining member for rods and its coupling ring |
| CN1210044A (en) * | 1998-08-14 | 1999-03-10 | 侯贤忠 | Carbon steel pipe with inner and outer corrosionproof stainless steel coatings and production thereof |
| CN201011176Y (en) * | 2007-01-25 | 2008-01-23 | 李留成 | Anti-corrosion steel fiber reinforced concrete telephone pole |
| CN101315089A (en) * | 2008-06-06 | 2008-12-03 | 海卓泰克液压技术（苏州）有限公司 | Oil vat for vessel |
| CN202125109U (en) * | 2011-06-16 | 2012-01-25 | 山东电力集团公司济南供电公司 | Anti-corrosion concrete pole |
| CN202359864U (en) * | 2011-12-09 | 2012-08-01 | 黄贺明 | Concrete electric pole assembled by sections and provided with internal connection flanges |
| CN204920414U (en) * | 2015-06-11 | 2015-12-30 | 国家电网公司 | Segment to peg graft concurrent and insertion rod section thereof |
| CN106641580A (en) * | 2016-12-21 | 2017-05-10 | 浙江大学 | Connection device and method of anti-corrosion tube sheet heat exchanger |
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| CN209339706U (en) * | 2018-12-19 | 2019-09-03 | 安徽复星电力设计咨询有限公司 | A kind of segmentation electric pole |
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Application publication date: 20200306 |