CN212691217U

CN212691217U - Lap-jointed welding type large-diameter flanging structure made of strip-shaped plates

Info

Publication number: CN212691217U
Application number: CN202021472815.7U
Authority: CN
Inventors: 金云霞; 李平华; 欧阳小桂
Original assignee: Zhejiang Jiede Pipeline Technology Co ltd
Current assignee: Zhejiang Jiede Pipeline Technology Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-03-12
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a lapped welded large-caliber flanging structure made of strip-shaped plates, which comprises a pipeline, a first welding line, a lap-joint body and a second welding line, wherein the outside of the pipeline is uniformly plated with an electroplated layer, and the electroplated layer is uniformly distributed on the outside of the pipeline, the electroplated layer fully wraps the pipeline, the pipeline is cylindrical, the pipeline is formed by bending the strip-shaped plates, one side of the outside of the pipeline is welded with the second welding line, the second welding line is in a strip shape, one end of the pipeline is provided with the lap-joint body, the lap-joint body is in a disc shape, the first welding line is welded at the joint of the pipeline and the lap-joint body, and the first welding line is in an arc shape, the utility model adopts the strip-shaped plates, the strip-shaped plates can be made of rim charge or tail charge, the forming process is simple, and when the pipeline is bent into a, thereby reducing the cost of nondestructive inspection and realizing the purpose of reducing the cost.

Description

Lap-jointed welding type large-diameter flanging structure made of strip-shaped plates

Technical Field

The utility model relates to a flanging structure specifically is a lapped welded formula heavy-calibre flanging structure of bar system.

Background

In view of the large-caliber flanging, the lap joint edge of the large-caliber flanging is in a ring shape, when the number of welding seams is limited, the lap joint edge is directly blanked in a ring shape, although the number of the welding seams is reduced, the cost is greatly increased due to waste materials caused by ring cutting, but the existing welded large-caliber flanging structure made of strip-shaped plates has a plurality of problem defects;

firstly, although the number of welding seams is reduced in the conventional welded large-caliber flanging structure made of strip-shaped plates in a lap joint mode, the cost is greatly increased due to waste materials caused by ring cutting;

secondly, the surface of the existing welded large-caliber flanging structure made of strip-shaped plates is not treated, so that the strength and the wear resistance are poor;

thirdly, the existing welded large-caliber flanging structure made of strip-shaped plates does not perform anti-corrosion treatment on the inside, so that the inside is damaged due to excessive corrosion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lapped welded type heavy-calibre turn-ups structure of bar system increases by a wide margin with the cost of solving and proposing in the above-mentioned background art, does not handle the surface and does not carry out anticorrosive treatment's problem to inside.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lapped welded formula heavy-calibre turn-ups structure of bar plate system, includes pipeline, first welding seam, overlap edge body and second welding seam, the outside of pipeline is evenly electroplated with the plating layer, and the plating layer is at the outside evenly distributed of pipeline, the plating layer fully wraps up the pipeline, the pipeline presents cylindricly, bar plate is buckled for the pipeline and is formed, the outside one side welding of pipeline has the second welding seam, and the second welding seam presents rectangular form, the one end of pipeline is provided with the overlap edge body, and the overlap edge body presents discoid, the pipeline has first welding seam with overlap edge body handing-over department welding, and first welding seam presents circular-arcly, the inside of pipeline is provided with inside anticorrosive coating.

Preferably, the inside of the electroplated layer is provided with a copper plating layer, a zinc plating layer, a tin-lead plating layer, a chromium plating layer and an aluminum plating layer in sequence, the copper plating layer is electroplated on the surface of the pipeline, the copper plating layer is fully distributed on the surface of the pipeline, the zinc plating layer is electroplated at one end of the copper plating layer, the zinc plating layer is fully distributed on the surface of the copper plating layer, and the copper plating layer achieves the purpose of strong adhesion.

Preferably, the one end of galvanizing coat is electroplated with tin-lead plating, and tin-lead plating fully distributes on the surface of galvanizing coat, and one side of tin-lead plating is electroplated with chromium coating, and chromium coating fully distributes on the surface of tin-lead plating, and chromium coating has realized the purpose of gaining in strength.

Preferably, one side of the chromium plating layer is electroplated with an aluminum plating layer, the aluminum plating layer is fully distributed on the surface of the chromium plating layer, and the aluminum plating layer achieves the purpose of preventing surface oxidation.

Preferably, the inside of inside anticorrosive coating has set gradually polyurethane paint, epoxy anticorrosive paint and acrylic acid anticorrosive paint, and the inner circle at the pipeline is paintd to polyurethane paint, and polyurethane paint evenly distributed has realized anticorrosive effect in the inside of pipeline, polyurethane paint.

Preferably, one side of the polyurethane paint is coated with epoxy anticorrosive paint, the epoxy anticorrosive paint is uniformly distributed on the surface of the polyurethane paint, the outer side of the epoxy anticorrosive paint is coated with acrylic anticorrosive paint, the acrylic anticorrosive paint is uniformly coated on the surface of the epoxy anticorrosive paint, and the acrylic anticorrosive paint realizes the anticorrosive effect.

Compared with the prior art, the beneficial effects of the utility model are that: this lapped welded formula heavy-calibre turn-ups of bar shaped plate system is rational in infrastructure, has following advantage:

(1) through being provided with the pipeline, first welding seam, cost-effective problem has been realized to overlap edge body and second welding seam, current structure is the ring type, need cut, and welding seam quantity is too much, lead to the outward appearance of product not good with the cost that has increased, consequently adopt the bar shaped plate, the available rim charge of bar shaped plate or tails are made, forming process is simple, and when buckling into circularly, an overlap edge only needs a welding seam, welding cost reduces, thereby make the nondestructive inspection expense reduce, cost reduction's purpose has been realized.

(2) The strength and the wear resistance of the product are improved by arranging the electroplated layer, the existing product is not subjected to wear-resistant treatment after being manufactured, so that the product is damaged after being used for a long time, and therefore, when the product is used, the copper-plated layer can be used for priming to improve the electroplating adhesion capacity, the zinc-plated layer improves the strength, the tin-lead-plated layer improves the welding capacity, and the chromium-plated layer improves the wear resistance; the aluminized layer is easy to oxidize to form an oxide film which is attached to the surface of a product to prevent external corrosion.

(3) The purpose of corrosion resistance is achieved by the aid of the inner anticorrosive layer, the existing product is not subjected to anticorrosive treatment on the inner part, and the product is corroded and damaged after being used for a long time, so that the polyurethane paint is painted in the inner part during use, the polyurethane paint is good in anticorrosive performance and good in adhesive force, the epoxy anticorrosive paint is used as intermediate paint to increase the adhesive force, the acrylic acid anticorrosive paint is not prone to falling off due to the fact that weather resistance is not easily changed by the environment, and the purpose of good anticorrosive performance is achieved.

Drawings

Fig. 1 is a front view of the external structure of the present invention;

FIG. 2 is a schematic view of the front view of the internal structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic diagram of the internal structure of the electroplated layer of the present invention;

fig. 5 is a schematic view of the internal structure of the internal corrosion protection layer of the present invention.

In the figure: 1. a pipeline; 2. a first weld; 3. a lap joint edge body; 4. a second weld; 5. electroplating layer; 501. plating a copper layer; 502. a zinc coating layer; 503. plating a tin-lead layer; 504. a chromium plating layer; 505. plating an aluminum layer; 6. an inner corrosion resistant layer; 601. polyurethane paint; 602. epoxy anticorrosive paint; 603. acrylic acid anticorrosive paint.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a lapped welded large-caliber flanging structure made of strip plates comprises a pipeline 1, a first welding line 2, a lap-joint edge body 3 and a second welding line 4, wherein an electroplated layer 5 is uniformly electroplated on the outer part of the pipeline 1, the electroplated layer 5 is uniformly distributed on the outer part of the pipeline 1, the electroplated layer 5 fully wraps the pipeline 1, the pipeline 1 is cylindrical, the pipeline 1 is formed by bending strip plates, the second welding line 4 is welded on one side of the outer part of the pipeline 1, the second welding line 4 is in a strip shape, the lap-joint edge body 3 is arranged at one end of the pipeline 1, the lap-joint edge body 3 is in a disc shape, the first welding line 2 is welded at the joint of the pipeline 1 and the lap-joint edge body 3, the first welding line 2 is in an arc shape, and an internal anticorrosive layer;

the existing structure is ring-shaped, and needs to be cut, and the number of welding seams is too much, so that the appearance of the product is not good and the cost is increased;

a copper plating layer 501, a zinc plating layer 502, a tin-lead plating layer 503, a chromium plating layer 504 and an aluminum plating layer 505 are sequentially arranged in the electroplating layer 5, the copper plating layer 501 is electroplated on the surface of the pipeline 1, the copper plating layer 501 is fully distributed on the surface of the pipeline 1, one end of the copper plating layer 501 is electroplated with the zinc plating layer 502, and the zinc plating layer 502 is fully distributed on the surface of the copper plating layer 501;

one end of the zinc coating 502 is electroplated with a tinned lead layer 503, the tinned lead layer 503 is fully distributed on the surface of the zinc coating 502, one side of the tinned lead layer 503 is electroplated with a chromium coating 504, and the chromium coating 504 is fully distributed on the surface of the tinned lead layer 503;

one side of the chromium plating layer 504 is electroplated with an aluminum plating layer 505, and the aluminum plating layer 505 is fully distributed on the surface of the chromium plating layer 504;

when the novel copper-plated layer is used, the copper-plated layer 501 can be used for priming to improve electroplating adhesion capacity, the zinc-plated layer 502 increases strength, the tin-lead plated layer 503 increases welding capacity, and the chromium-plated layer 504 increases wear resistance; the aluminized layer 505 is easily oxidized to form an oxide film attached to the surface of the product to prevent external corrosion;

the polyurethane paint 601, the epoxy anti-corrosion paint 602 and the acrylic anti-corrosion paint 603 are sequentially arranged inside the inner anti-corrosion layer 6, the polyurethane paint 601 is coated on the inner ring of the pipeline 1, and the polyurethane paint 601 is uniformly distributed inside the pipeline 1;

one side of the polyurethane paint 601 is coated with epoxy anti-corrosion paint 602, the epoxy anti-corrosion paint 602 is uniformly distributed on the surface of the polyurethane paint 601, the outer side of the epoxy anti-corrosion paint 602 is coated with acrylic anti-corrosion paint 603, and the acrylic anti-corrosion paint 603 is uniformly coated on the surface of the epoxy anti-corrosion paint 602;

when the acrylic acid anticorrosive paint 603 is used, the polyurethane paint 601 is coated inside, the polyurethane paint 601 is good in anticorrosive performance and has good adhesive force, the epoxy anticorrosive paint 602 is used as intermediate paint to increase the adhesive force, the acrylic acid anticorrosive paint 603 has weather resistance and is not easy to fall off due to environmental change, and the purpose of good anticorrosive performance is achieved.

The working principle is as follows: when the novel copper-plated steel plate is used, the existing structure is in a ring shape, cutting is needed, the number of welding seams is too large, the appearance of a product is not good, and the cost is increased, so that a strip-shaped plate is adopted, the strip-shaped plate can be made of edge materials or tail materials, the forming process is simple, only one welding seam is needed for one lap joint edge when the strip-shaped plate is bent into a round shape, the welding cost is reduced, the nondestructive flaw detection cost is reduced, and the purpose of reducing the cost is achieved, the existing product is not subjected to wear-resistant treatment after being manufactured, the product is damaged after being used for a long time, therefore, when the novel copper-plated steel plate is used for bottoming, the electroplating adhesion capacity is increased, the strength of the zinc-plated layer 502 is increased, the welding capacity; the easy oxidation of aluminized layer 505 forms the oxide film and adheres to and prevents outside corrosion on the product surface, current product does not carry out anticorrosive treatment to inside, lead to the product to corrode and take place to damage when leading to long time use, consequently, through having painted polyurethane paint 601 in inside during the use, polyurethane paint 601 corrosion resistance is good, has good adhesive force, epoxy anticorrosive paint 602 increases the adhesive force as intermediate coat, acrylic acid anticorrosive paint 603 has the weatherability and is difficult to receive the change of environment and leads to droing, the good purpose of anticorrosive ability has been realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lapped welded type heavy-calibre turn-ups structure of bar shaped plate system, includes pipeline (1), first welding seam (2), overlap edge body (3) and second welding seam (4), its characterized in that: the outside of pipeline (1) is evenly electroplated with plating layer (5), and plating layer (5) at the outside evenly distributed of pipeline (1), plating layer (5) fully wraps up pipeline (1), pipeline (1) presents cylindricly, pipeline (1) is formed with the bar plate bending type, the outside one side welding of pipeline (1) has second welding seam (4), and second welding seam (4) present rectangular form, the one end of pipeline (1) is provided with overlap joint limit body (3), and overlap joint limit body (3) present discoid, the welding of pipeline (1) and overlap joint limit body (3) handing-over department has first welding seam (2), and first welding seam (2) present circular-arcly, the inside of pipeline (1) is provided with inside anticorrosive coating (6).

2. The overlapped welded large-caliber flanging structure made of strip-shaped plates according to claim 1, characterized in that: the pipeline electroplating device is characterized in that a copper plating layer (501), a zinc plating layer (502), a tinned lead layer (503), a chromium plating layer (504) and an aluminum plating layer (505) are sequentially arranged inside the electroplating layer (5), the copper plating layer (501) is electroplated on the surface of the pipeline (1), the copper plating layer (501) is fully distributed on the surface of the pipeline (1), the zinc plating layer (502) is electroplated at one end of the copper plating layer (501), and the zinc plating layer (502) is fully distributed on the surface of the copper plating layer (501).

3. The overlapped welded large-caliber flanging structure made of strip-shaped plates according to claim 2, characterized in that: one end of the zinc coating (502) is electroplated with a tin-lead coating (503), the tin-lead coating (503) is fully distributed on the surface of the zinc coating (502), one side of the tin-lead coating (503) is electroplated with a chromium coating (504), and the chromium coating (504) is fully distributed on the surface of the tin-lead coating (503).

4. The overlapped welded large-caliber flanging structure made of strip-shaped plates according to claim 3, characterized in that: one side of the chromium plating layer (504) is electroplated with an aluminum plating layer (505), and the aluminum plating layer (505) is fully distributed on the surface of the chromium plating layer (504).

5. The overlapped welded large-caliber flanging structure made of strip-shaped plates according to claim 1, characterized in that: the interior of the interior anticorrosive layer (6) is sequentially provided with polyurethane paint (601), epoxy anticorrosive paint (602) and acrylic acid anticorrosive paint (603), the polyurethane paint (601) is smeared on the inner ring of the pipeline (1), and the polyurethane paint (601) is uniformly distributed in the pipeline (1).

6. The overlapped welded large-caliber flanging structure made of strip-shaped plates according to claim 5, characterized in that: one side of the polyurethane paint (601) is coated with epoxy anti-corrosion paint (602), the epoxy anti-corrosion paint (602) is uniformly distributed on the surface of the polyurethane paint (601), the outer side of the epoxy anti-corrosion paint (602) is coated with acrylic anti-corrosion paint (603), and the acrylic anti-corrosion paint (603) is uniformly coated on the surface of the epoxy anti-corrosion paint (602).