CN214203340U

CN214203340U - Core rod

Info

Publication number: CN214203340U
Application number: CN202120330932.8U
Authority: CN
Inventors: 汤云峰
Original assignee: Jiangsu Saineng Drying Machinery Engineering Co ltd
Current assignee: Jiangsu Saineng Drying Machinery Engineering Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-09-14
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a core rod, including the core rod body, the inside of core rod body is run through and is provided with the axle core, and the both ends of axle core all extend to the outside of core rod body, and the surface coating of core rod body has anticorrosive coating. The utility model discloses a surface spraying anticorrosion coating and anti-rust coating at the plug body can not appear oxidizing and the phenomenon of rustting in long-term use in-process surface, service quality has not only been guaranteed, and life has also obtained the promotion, and corrosion-resistant lacquer and anti-oxidation lacquer respectively spraying are in inside, not only form the duplicate protection effect with the exterior structure, and rust-resistant and corrosion resisting property is better, surface coating's thickness still can not be increased, can increase the overall structure intensity of plug through the stiffener, and coil of strip parcel can protect it on the surface of axle core, prevent the fracture, strengthen the guard action, the problem of phenomenon appears corroding easily in long-time use back surface has been solved simultaneously.

Description

Core rod

Technical Field

The utility model relates to a plug technical field specifically is a plug.

Background

With the development of extra-high voltage grades of 800kV and over 1100kV of power transmission and transformation, in order to ensure the reliability of power transmission and transformation, the post insulator has been gradually developed from the height of a few meters in the past to the height of more than ten meters or even higher in design, and the diameter size requirement of the composite insulator core rod is also continuously increased in structural terms. The traditional inner insulation core rod for the composite insulator is formed by pultrusion of glass fiber reinforced epoxy resin, the voltage grade and the requirement are continuously improved, the core rod is difficult to meet the requirement of ultra-high and extra-high voltage lines on the inner insulator core rod for the high-strength rod-shaped column type composite insulator, the surface of the core rod is easy to corrode and rust after the core rod is used for a long time, and the service life of the core rod is seriously shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug possesses corrosion-resistant, prevents rusty advantage, has solved and has appeared corroding the problem of rust phenomenon on long-time use rear surface easily.

In order to achieve the above object, the utility model provides a following technical scheme: the mandrel comprises a mandrel body, wherein a shaft core penetrates through the inside of the mandrel body, two ends of the shaft core extend to the outside of the mandrel body, an anti-corrosion coating is coated on the surface of the mandrel body, and an anti-rust coating is coated on the surface of the anti-corrosion coating.

Preferably, a steel coil is wound on the surface of the shaft core, and the steel coil is wound inside the mandrel body.

Preferably, a reinforcing rod is fixedly installed between the steel coil and the inner wall of the mandrel body, and the reinforcing rod is arranged around the surface of the steel coil.

Preferably, the surface of the anti-corrosion coating is coated with anti-corrosion paint, the lower surface of the anti-corrosion paint is coated with anti-oxidation paint, and the anti-oxidation paint is located inside the anti-rust coating.

Preferably, the corrosion-resistant paint and the oxidation-resistant paint form a double-layer structure between the corrosion-resistant coating and the antirust coating.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a surface spraying anticorrosion coating and anti-rust coating at the plug body in long-term use in-process surface oxidation and rust phenomenon can not appear, service quality has not only been guaranteed, and life has also obtained the promotion in addition, and corrosion-resistant lacquer and anti-oxidation lacquer respectively spraying are in inside, not only form the duplicate protection effect with the exterior structure, rust-resistant and corrosion resisting property are better in addition, still can not increase surface coating's thickness, the problem of rust phenomenon appears corroding easily in the long-time back surface of using has been solved simultaneously.

2. The utility model discloses a stiffener can increase the overall structure intensity of plug, and the coil of strip parcel can protect it on the surface of axle core, prevents to split, strengthens the guard action.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the core rod body structure of the present invention;

fig. 3 is an inner side sectional view of the corrosion-resistant coating of the present invention.

In the figure: 1. a mandrel body; 2. a shaft core; 3. an anti-corrosion coating; 4. an antirust coating; 5. a steel coil; 6. a reinforcing bar; 7. corrosion-resistant paint; 8. an anti-oxidation 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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a mandrel comprises a mandrel body 1, a shaft core 2 is arranged inside the mandrel body 1 in a penetrating manner, a steel coil 5 is wound on the surface of the shaft core 2, the steel coil 5 is wound inside the mandrel body 1, a reinforcing rod 6 is fixedly installed between the steel coil 5 and the inner wall of the mandrel body 1, the reinforcing rod 6 is arranged around the surface of the steel coil 5, the overall structural strength of the mandrel can be increased through the reinforcing rod 6, the steel coil 5 is wrapped on the surface of the shaft core 2 to protect the shaft core 2 and prevent fracture, the protection effect is enhanced, two ends of the shaft core 2 extend to the outside of the mandrel body 1, the surface of the mandrel body 1 is coated with an anti-corrosion coating 3, the surface of the anti-corrosion coating 3 is coated with an anti-corrosion paint 7, the lower surface of the anti-corrosion paint 7 is coated with an anti-oxidation paint 8, the anti-oxidation paint 8 is located inside the anti-corrosion coating 4, the anti-corrosion paint 7 and the anti-oxidation paint 8 form a double-layer structure between the anti-corrosion coating 3 and the anti-corrosion coating 4, the surface coating of anticorrosive coating 3 has antirust coating 4, through the surface spraying anticorrosive coating 3 at plug body 1 and antirust coating 4 in long-term use in-process surface oxidation and rust phenomenon can not appear, service quality has not only been guaranteed, and life has also obtained the promotion, and corrosion-resistant paint 7 and anti-oxidation paint 8 respectively spraying are inside, not only form the duplicate protection effect with the exterior structure, and rust-resistant and corrosion resisting property are better, still can not increase surface coating's thickness, the problem of rust phenomenon appears corroding easily in the surface after long-time use has been solved simultaneously.

The standard parts used in this document are commercially available, all the components in this document are customized according to the description of the specification and the drawings, and the connection relationship and specific structure between the layers in this document are all performed by the prior art, such as by mechanical methods, by adhesives, by various welding methods such as thermal welding, ultrasonic welding, flux, welding, and fusion crimping, and no specific description is made here.

During the use, through spraying anticorrosive coating 3 and anti-rust coating 4 at the surface of plug body 1 in long-term use in-process surface oxidation and rust phenomenon can not appear, not only guaranteed the service quality, life has also promoted in addition, and corrosion-resistant paint 7 and anti-oxidation paint 8 respectively spraying are inside, not only form dual protection effect with exterior structure, and rust-resistant and corrosion resisting property is better moreover.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mandrel, comprising a mandrel body (1), characterized in that: the inside of plug body (1) is run through and is provided with axle core (2), the both ends of axle core (2) all extend to the outside of plug body (1), the surface coating of plug body (1) has anticorrosive coating (3), the surface coating of anticorrosive coating (3) has antirust coating (4).

2. A mandrel according to claim 1, wherein: the surface of the shaft core (2) is wound with a steel coil (5), and the steel coil (5) is wound inside the mandrel body (1).

3. A mandrel according to claim 2, wherein: fixed mounting has stiffener (6) between the inner wall of coil of strip (5) and plug body (1), stiffener (6) encircle the surface setting at coil of strip (5).

4. A mandrel according to claim 1, wherein: the surface of the anti-corrosion coating (3) is coated with anti-corrosion paint (7), the lower surface of the anti-corrosion paint (7) is coated with anti-oxidation paint (8), and the anti-oxidation paint (8) is located inside the anti-corrosion coating (4).

5. A mandrel according to claim 4, wherein: the corrosion-resistant paint (7) and the anti-oxidation paint (8) form a double-layer structure between the corrosion-resistant coating (3) and the antirust coating (4).