CN213511632U - Anti-corrosion protective cap of contact net steel column bolt facility - Google Patents

Abstract

The utility model relates to an anti-corrosion protective cap of a contact net steel column bolt facility, which is a hollow shell structure with an opening at the bottom, and the protective cap is formed by a hollow cap rod, an outer nut and a cap cylinder from top to bottom in an integrated manner; the outer nut is arranged between the cap rod and the cap barrel, an inner pipe which is in an integrated structure with the cap rod is arranged in the outer nut, and an internal thread is arranged on the inner pipe; the cap rod, the cap barrel and the inner tube are all cylindrical; the outer surface of the cap cylinder is designed into vertical concave-convex stripes. This protective cap has simple structure, sealed effectual, easy dismounting, easy to maintain's characteristics, the utility model discloses practice thrift the maintenance cost, be convenient for change, compare in the protective cap that has developed now, can more portably operate, practice thrift maintenance time and maintenance cost, reduce workman's intensity of labour during its maintenance, can avoid using to twist the instrument soon to be convenient for change.

Description

Anti-corrosion protective cap of contact net steel column bolt facility

Technical Field

The utility model relates to a contact net steel column bolt protector's technical field, concretely relates to contact net steel column bolt facility's anticorrosion protective cap.

Background

With the steady and rapid development of national high-speed railways and the continuous improvement of the running speed of electrified railways, the stability of the power supply system of the high-speed railway contact network is more and more emphasized by people. The pipe cap is as the important component of contact net cantilever system (see figure 1), and the steel column is as the important component of electrified railway power supply line simultaneously, and the contact net steel column is connected with basic rag bolt, and the bolt nut exposes in the air for a long time, is rusted very easily.

The traditional rust prevention mode of the bolt and the nut is to coat the surface of the bolt and the nut with cement and paint antirust paint or antirust oil on the surface, and the traditional rust prevention mode has the effects that the bolt and the nut are isolated from external air moisture and the like, and the rust prevention effect can be achieved in a short time. However, with the continuous change and influence of the outside air and temperature for a long time, the paint or the rust preventive oil can fall off and run off, the bolt and the nut exposed outside can be quickly oxidized and rusted, if the corrosion phenomenon can not be timely treated, the corrosion is accelerated, and finally the whole bolt and nut can be corroded and only be replaced. Especially in places on the viaduct where replacement is inconvenient, only rust preventive oil or rust preventive paint can be frequently coated, which is time-consuming and labor-consuming, and especially in hot summer, the rust preventive oil is easily dissolved and lost due to high temperature, thereby causing environmental pollution.

At present, an anti-corrosion protective cap for a steel column and bolt facility of a contact network is developed, the anti-corrosion protective cap is covered on the top of the bolt facility, a screw buckle in the anti-corrosion protective cap is screwed with a bolt of a railway bolt facility, and the bottom of the anti-corrosion protective cap is buckled with a bottom plate of the bolt facility, so that the bolt facility can be effectively sealed and isolated from the outside. It has been found to have some problems in use: because the railway equipment needs to be maintained frequently, workers must carry the wrench to screw the protective caps one by one, and the workload is large and time-consuming.

It is necessary to design a new corrosion protection cap which can be operated and maintained more easily.

Disclosure of Invention

In view of this, the utility model provides an anticorrosion protective cap for contact net steel column bolt facility.

In order to achieve the above object, the utility model provides a following technical scheme:

an anti-corrosion protective cap of a contact net steel column bolt facility is a hollow shell structure with an opening at the bottom, and the protective cap is integrally formed by a hollow cap rod, an outer nut and a cap cylinder from top to bottom; the outer nut is arranged between the cap rod and the cap barrel, an inner pipe which is in an integrated structure with the cap rod is arranged in the outer nut, and an internal thread is arranged on the inner pipe; the cap rod, the cap barrel and the inner tube are all cylindrical; the outer surface of the cap cylinder is designed into vertical concave-convex stripes.

The outer nut is in a quadrangle shape or a hexagon shape.

The diameter of the cap cylinder is larger than that of the cap rod.

The top end of the cap rod is closed.

The protective cap is made of elastomer nonmetal materials such as silica gel, PP, polyester or nylon.

The protective cap is made of metal materials.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an improvement that the protective cap to current railway system bolt facility goes on has simple structure, sealed effectual, easy dismounting, easy to maintain's characteristics, and its appearance is pleasing to the eye, excellent in effect, suitability is wide (not only be used for the rust-resistant of contact net steel column bolt, also can be applicable to the rust-resistant of the steel column bolt of other industrial facilities), and the product accords with contact net steel column bolt nut completely and anticorrosives, grease proofing dirt, acid and alkali, anti-oxidant service condition. Compared with the existing protective cap, the protective cap has the advantages that the operation can be simpler and more convenient during maintenance, the maintenance time and the maintenance cost are saved, the labor intensity of workers is reduced, a screwing tool (a large wrench) can be omitted, and the replacement is convenient.

Drawings

Figure 1 is a schematic view of the external structure of the present invention,

fig. 2 is a schematic cross-sectional view of the present invention.

In the figure: 1. the cap comprises a cap rod, 2 parts of a cap cylinder, 3 parts of an outer nut, 4 parts of concave-convex stripes, 5 parts of an inner pipe and 6 parts of an inner thread.

The specific implementation mode is as follows:

referring to fig. 1 and 2, the utility model relates to an anticorrosion protective cap of contact net steel column bolt facility, for the inside hollow shell structure of bottom opening, from last to down constitute by hollow cap pole 1, outer nut 3 and cap section of thick bamboo 2 integral type. The outer nut 3 is arranged between the cap rod 1 and the cap cylinder 2, and an inner pipe 5 which is integrated with the cap rod 1 is arranged in the outer nut 3. The inner pipe 5 is provided with an internal thread 6, and the internal thread 6 is matched with a bolt of a contact net steel column bolt facility to be protected. The cap rod 1, the cap barrel 2 and the inner pipe 5 are all cylindrical, and the outer nut 3 is quadrangular or hexagonal. The diameter of the cap cylinder 2 is larger than that of the cap rod 1. The top end of the cap rod 1 is closed, and the structure can receive larger external impact force, buffer the impact of external force and improve the durability of the protective cap. When the protective cap is buckled on a bottom plate of a steel column and bolt facility of a contact network, the internal threads 6 on the inner pipe 5 are screwed on bolts of the steel column and bolt facility of the contact network to be protected, so that the protective cap can be tightly sealed on the steel column and bolt facility of the contact network to achieve the protection effect on the bolt facility. Normal screwing is performed with a wrench.

The utility model discloses an invention lies in: the outer surface of the cap cylinder 2 is designed into vertical concave-convex stripes 4. By adopting the structure, the defect that the outer surface of the original cap barrel 2 is smooth and cannot be screwed by hands is overcome, and people can basically omit screwing the outer nut 3 by a wrench and can screw the nut by hands only in a large amount of daily maintenance operations (except that the individual hands can not be screwed). Thus, the maintenance time is reduced, and the manpower is saved.

The utility model relates to an anticorrosion of contact net steel column bolt, anti-oxidant protective cap adopts the elastomer non-metallic material such as silica gel, PP, polyester or nylon to make, perhaps also can use metal material to make.

The using method comprises the following steps:

initially, the protective cap is buckled on a contact net steel column bolt facility, at the moment, a nut of the contact net steel column bolt facility is contained in the cap barrel 2, and then the contact net steel column bolt is aligned to the internal thread 6 of the inner pipe 5. And screwing the outer nut 3 by using a wrench, and enabling the protective cap to move downwards along with the screw action of the bolt and the inner thread 6 until the bottom opening of the protective cap is tightly pressed against the bottom plate of the contact net steel column bolt facility, so that a closed space is formed between the protective cap and the contact net steel column bolt facility.

When the daily maintenance work is carried out, the outer nut 3 can be screwed by a spanner, but the concave-convex stripes 4 of the cap cylinder 2 can be more conveniently and directly screwed by hands.

The utility model relates to an anticorrosive, anti-oxidant improved generation product of steel column bolt facility.

Claims (6)

1. The utility model provides a contact net steel column bolt facility's anticorrosion protective cap, is the inside hollow shell structure of a bottom opening, its characterized in that: the protective cap is integrally formed by a hollow cap rod (1), an outer nut (3) and a cap cylinder (2) from top to bottom; the outer nut (3) is arranged between the cap rod (1) and the cap cylinder (2), an inner pipe (5) which is integrated with the cap rod (1) is arranged in the outer nut (3), and an internal thread (6) is arranged on the inner pipe (5); the cap rod (1), the cap barrel (2) and the inner tube (5) are all cylindrical; the outer surface of the cap cylinder (2) is designed into vertical concave-convex stripes (4).

2. The corrosion protection cap of contact net steel column bolt facility of claim 1, characterized in that: the outer nut (3) is quadrangular or hexagonal.

3. The corrosion protection cap of contact net steel column bolt facility of claim 1, characterized in that: the diameter of the cap cylinder (2) is larger than that of the cap rod (1).

4. The corrosion protection cap of contact net steel column bolt facility of claim 1, characterized in that: the top end of the cap rod (1) is closed.

5. The corrosion protection cap of contact net steel column bolt facility of claim 1, characterized in that: the protective cap is made of elastomer nonmetal materials such as silica gel, PP, polyester or nylon.

6. The corrosion protection cap of contact net steel column bolt facility of claim 1, characterized in that: the protective cap is made of metal materials.

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