CN218377249U

CN218377249U - Tower footing antirust protective cap

Info

Publication number: CN218377249U
Application number: CN202222215284.9U
Authority: CN
Inventors: 徐华彪; 蒋如超; 白记春; 张弛
Original assignee: China Iron Tower Co ltd Jianghan Branch
Current assignee: Jianghan Branch Company China Tower Co ltd; Xu Huabiao
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-24
Anticipated expiration: 2032-08-23

Abstract

A tower footing antirust protective cap comprises a cap body and a cap body, wherein the cap body is in a pipe cap shape with a large opening at the lower end and a small opening at the upper end; the cap body is provided with an inner threaded blind hole matched with the foundation bolt of the tower foundation; the tower footing foundation bolt is sleeved by the cover body, the upper end of the tower footing foundation bolt penetrates out from the opening in the upper end of the cover body, and the cap body is screwed and matched with the upper end of the foundation bolt, so that the lower end of the cap body is matched with the upper end of the cover body. The utility model discloses can reach the effect that column foot and air, water were kept apart, can be fine prevent or slow down that column foot rag bolt rusts.

Description

Tower footing antirust protective cap

Technical Field

The utility model relates to a tower footing anti-rust device specifically is a tower footing anti-rust protective cap.

Background

The existing communication iron tower generally has the following problems:

1. the existing communication operator maintenance units have different iron tower maintenance standards, iron tower bases are easy to air dry by air and sun-drying butter, paint brushes are uneven, and screws, nuts and screws are rusted to different degrees. The foundation bolt is an important component which is pre-embedded in a concrete foundation and is connected with the tower body of the main body on the ground. Bear the whole pressure, shear force and moment of flexure of the body of the tower, influence the whole anti-wind pulling force of the tower and safety seriously.

2. The tower is easy to rust when being exposed in humid air after being contacted with the ground for a long time, and the tower is likely to fall after being rusted seriously.

3. The long-term corrosion of the screw thread of the upper end of the foundation bolt can reduce the strength and lose the stress, and the foundation bolt can not be replaced. The tower collapse accident can occur at any time in windy weather.

In view of the existing problems, a modular tower foundation rust protection cap needs to be provided. The tower footing bolt is isolated from air and water by using the tower footing anti-rust protective cap, so that the aim of rust prevention is fulfilled.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides an anti-rust protective cap of column foot to solve above-mentioned problem.

A tower footing antirust protective cap comprises a cap body and a cap body, wherein the cap body is in a pipe cap shape with a large opening at the lower end and a small opening at the upper end; the cap body is provided with an inner threaded blind hole matched with the foundation bolt of the tower footing; the tower footing foundation bolt is sleeved by the cover body, the upper end of the tower footing foundation bolt penetrates out from the opening in the upper end of the cover body, and the cap body is screwed and matched with the upper end of the foundation bolt, so that the lower end of the cap body is matched with the upper end of the cover body.

Further, the cap body is cylindrical and is provided with external threads; the lower end of the cover body covers a nut of the foundation bolt, and an opening at the upper end of the cover body is provided with an internal thread matched with the external thread of the cap body. The nut of the foundation bolt is covered by the lower end of the cover body, the internal thread of the cap body is matched with the foundation bolt, the external thread of the cap body is matched with the internal thread of the upper end opening of the cover body, and the cover body and the cap body are firmly combined together.

The beneficial effects of the utility model are that: the utility model discloses can reach the effect that column foot and air, water were kept apart, can be fine prevent or slow down that column foot rag bolt rusts.

Drawings

FIG. 1 is a schematic structural view of a cap body;

FIG. 2 is a schematic view of the structure of the cover;

fig. 3 is a schematic view of the assembly of the cover and the cap.

In the drawings, 1-cap body; 101-external threads; 102-internal threads; 2-a cover body; 201-opening the upper end; 202-lower end opening; 203-internal thread; and 3, foundation bolts.

Detailed Description

The invention will be further described with reference to the following description and examples.

In fig. 1-3, a tower footing rust-proof protective cap comprises a cap body 2 and a cap body 1, wherein the cap body 2 is in a pipe cap shape with a large opening 202 at the lower end and a small opening 201 at the upper end; the cap body 1 is provided with an internal thread hole 102 matched with the foundation anchor bolt 3 to form an internal thread blind hole, so that the foundation anchor bolt 3 can be matched and screwed, and the foundation anchor bolt 3 is prevented from being exposed outside; the cover body 2 is sleeved on the foundation bolt 3 and the gasket of the tower foundation to prevent rainwater from entering the cover body; the upper end of the tower footing foundation bolt 3 penetrates out of the opening at the upper end of the cover body 2, and the cap body 1 is screwed and matched with the upper end of the foundation bolt 3, so that the lower end of the cap body 1 is in contact with and pressed against the upper end of the cover body 2.

In the embodiment, the cap body 1 is cylindrical, and the outer wall of the cap body 1 is provided with an external thread 101; the inner cavity of the cover body 2 is in a tubular shape with a thin upper part and a thick lower part, and the shape of the cover body 2 can also be in a tubular shape with a thin upper part and a thick lower part, can also be in a straight tubular shape, and can also be in other shapes; the lower end of the cover body 2 covers a nut of the foundation bolt 3, and an opening at the upper end of the cover body 2 is provided with an internal thread matched with the external thread of the cap body 1. The nut that covers rag bolt 3 with this cover body 2 lower extreme, the internal thread of the cap body 1 and the cooperation of column foot rag bolt 3, the external screw thread of the cap body 1 and the internal thread cooperation of the 2 upper end open-ended play of the cover body are in the same place the firm combination of the cover body 2 and the cap body 1.

In this embodiment, the lower end surface of the cover body 2 is provided with an annular groove for installing a rubber ring. After the sealing ring is arranged on the annular groove, the annular groove can be precisely contacted with an iron tower base and can block air and rainwater.

In this embodiment, the device further comprises a cap body sleeve with internal threads, and the cap body sleeve can be matched with the cap body 1 through threads to cover the cap body 1. Thereby, the outer thread of the cap body 1 can be further protected from damage.

The cover body 2 and the cap body 1 are made of plastic materials or other corrosion-resistant materials. Therefore, the corrosion resistance is strong, and the cost is low.

In practical use, the cover body 2 is universal, the inner diameter of the lower end opening is 116mm, and the inner diameter of the upper end opening is 68mm; the cap body 1 is divided into a 52-type cap body with an inner screw diameter of 52mm, a 48-type cap body with an inner screw diameter of 48mm, a 46-type cap body with an inner screw diameter of 46mm, a 42-type cap body with an inner screw diameter of 42mm, and the length of the cap body 1 is 100mm; according to different size requirements of foundation anchor bolts of various operator foundations, the foundation anchor bolts can be properly adjusted.

The utility model discloses during the use, entangle the column foot rag bolt 3 of communication signal iron tower with the cover body 2, let rag bolt 3 pass the upper end of the cover body 2, screw up the cooperation with rag bolt 3 with the cap body 1 again, the lower extreme of the cap body 1 is twisted to the upper end opening female thread fit with the cover body 2, then rotate the cover body 2 again, under the effect of sealing washer, with the cover body 2 with 3 in close contact with of rag bolt, screw up the cap body cover on the cap body 1 at last, cover the cap body 1, can further protect the 1 external screw thread of the cap body not damaged.

It is worth mentioning that: in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; the circuits described in the present invention are all commonly used circuits in the field, and other related components are all commonly used components, and for those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

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 tower base antirust protective cap is characterized by comprising a cap body and a cap body, wherein the cap body is in a pipe cap shape with a large opening at the lower end and a small opening at the upper end; the cap body is provided with an inner threaded blind hole matched with the foundation bolt of the tower footing; the tower footing foundation bolt is sleeved by the cover body, the upper end of the tower footing foundation bolt penetrates out from the opening in the upper end of the cover body, and the cap body is screwed and matched with the upper end of the foundation bolt, so that the lower end of the cap body is matched with the upper end of the cover body.

2. The tower-based rust-proof protective cap of claim 1, wherein the cap body is cylindrical and is provided with an external thread; the lower end of the cover body covers a nut of the foundation bolt, and an opening at the upper end of the cover body is provided with an internal thread matched with the external thread of the cap body.

3. The tower base antirust protective cap according to claim 1, wherein an annular groove for installing a rubber ring is formed in the lower end face of the cap body.

4. The tower footing rust-proof protective cap of claim 2, further comprising a cap body sleeve with an internal thread, wherein the cap body sleeve can be screwed on the cap body to cover the cap body.

5. The tower footing rust-prevention protective cap as claimed in any one of claims 1 to 4, wherein the cap body and the cap body are made of plastic.