CN210194665U

CN210194665U - Foundation structure of iron tower

Info

Publication number: CN210194665U
Application number: CN201920388008.8U
Authority: CN
Inventors: Donglai Zhang; 张东来
Original assignee: Luohe Yong'an Line Equipment Co Ltd
Current assignee: Luohe Yong'an Line Equipment Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-03-27
Anticipated expiration: 2029-03-26

Abstract

The utility model relates to an anchor structure of iron tower, it includes iron tower body, 4 rag bases and a plurality of rag bolts, each two adjacent rag bolts on the rag base evenly weld in vertical direction have a plurality of horizontally first reinforcing bars, a plurality of horizontally first reinforcing bars and two adjacent vertical rag bolts form a plurality of rectangle structures in vertical direction, and a plurality of horizontally first reinforcing bars form a plurality of regular polygon structures at horizontal direction and a plurality of rag bolts. The utility model discloses a foundation structure of iron tower, can effectively avoid the foundation fracture around the rag bolt that local atress is great, can effectively avoid after the foundation fracture because can not play fine fixed action, the iron tower takes place the phenomenon of great swing or even tower collapse; the phenomenon that the iron tower is unstable due to the fact that the top of the iron tower swings greatly as the bottom of the iron tower moves due to the existence of the gap after the iron tower is installed can be effectively avoided.

Description

Foundation structure of iron tower

Technical Field

The utility model relates to an iron tower especially relates to an anchor structure of iron tower.

Background

The iron tower is a supporting structure for supporting a conducting wire and a lightning conductor by an overhead transmission line. The wire can meet the distance limiting requirement on the ground and ground objects and can bear the load and the external load of the wire, the lightning conductor and the wire.

When the iron tower is installed, 4 foundation bases are usually arranged, and each foundation base is fixedly installed through a plurality of foundation bolts. Because a plurality of foundation bolts of each foundation base are usually connected by steel bars at the tail ends of the foundation bolts and then poured in reinforced concrete, a good integral stress structure cannot be formed, when the iron tower is subjected to wind power in a larger horizontal direction, the foundation is easy to crack because the foundation bolts are stressed unevenly and are arranged around the foundation bolts with larger local stress, and the iron tower is easy to swing greatly and even fall down because the foundation cannot play a good fixing role after cracking; because the diameter of the through hole used for installing the foundation bolt on the foundation base is usually larger than the nominal diameter of the foundation bolt, a gap exists after the foundation base is installed, and when the iron tower is installed and receives large horizontal wind power, the bottom of the iron tower is easy to move, so that the top of the iron tower swings greatly, and the iron tower is unstable.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an iron tower's lower margin structure.

The utility model provides a technical scheme that its technical problem adopted is:

the lower margin structure of iron tower includes iron tower body, iron tower body's bottom is equipped with 4 rag bases, each rag base all runs through there are a plurality of rag bolts, each rag bolt all is connected with rag base through nut, packing ring, each two adjacent rag bolts on the rag base evenly weld in vertical direction have a plurality of horizontally first reinforcing bars, and a plurality of horizontally first reinforcing bars and two adjacent vertical rag bolts form a plurality of rectangle structures in vertical direction, and a plurality of horizontally first reinforcing bars form a plurality of regular polygon structures with a plurality of rag bolts in horizontal direction.

In the present invention, the second steel bars are welded to the opposite corners of the rectangular structure in a crossed manner to form a stable triangular structure, and the third steel bars are welded to the opposite corners of the regular polygonal structure in a crossed manner to form a stable triangular structure.

The utility model provides a ground foot structure's of iron tower a preferred embodiment, each rag bolt's outer face of cylinder has still been matchd fixed cover, the top of fixed cover with rag base fixed connection.

In the present invention, the length of the fixing sleeve is 1.2 to 1.5 times the diameter of the anchor bolt.

In a preferred embodiment of the anchor structure of the iron tower, each of the anchor bolts is made of 35 # steel, and each of the anchor bolts is blackened.

In a preferred embodiment of the anchor structure of the iron tower of the present invention, each of the nuts and washers is made of 304 stainless steel.

Compared with the prior art, the utility model provides a lower margin structure of iron tower's beneficial effect: the utility model discloses two adjacent rag bolts on each rag base evenly weld a plurality of horizontally first reinforcing bars in vertical direction, make it form the rectangle structure with rag bolt in vertical direction, form regular polygon structure with rag bolt in horizontal direction, connect a plurality of rag bolts into a whole, when the iron tower receives great horizontal direction wind-force, the rag bolt that local atress is great can transmit the power to other rag bolts, can effectively avoid the foundation fracture around the rag bolt that local atress is great to crack, can effectively avoid after the foundation fracture because can not play fine fixed action, the iron tower takes place the phenomenon of great swing or even tower falling; second steel bars are welded on opposite corners of each rectangular structure in a crossed mode to form a stable triangular structure, third steel bars are welded on opposite corners of each regular polygonal structure in a crossed mode to form a stable triangular structure, so that the integral deformation resistance of the foundation bolt under stress is improved, the stress uniformity of the foundation is improved, and the foundation is cracked when local stress is large; each rag bolt's outer face of cylinder matches and sets up fixed cover, makes fixed cover with rag base fixed connection makes rag bolt and rag base not have the clearance after the installation, can effectively avoid iron tower to receive great horizontal direction wind-force after the installation, because the existence in clearance, iron tower bottom takes place to remove, leads to the iron tower top to take place great swing, causes the unstable phenomenon of iron tower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

fig. 1 is a schematic structural view of a foot structure of an iron tower provided by the present invention;

fig. 2 is a view of the position of each anchor base of the anchor structure of the iron tower provided by the present invention in the direction of a;

fig. 3 is a B-B view of each foot base of the foot structure of the iron tower provided by the present invention.

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 efforts belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 2 and fig. 3 together, the lower margin structure of iron tower includes iron tower body 1, iron tower body 1's bottom is equipped with 4 foundation base 2, each foundation base 2 has all run through a plurality of rag bolts 3, the utility model discloses preferably 4, each rag bolt 3 all is connected with foundation base 2 through nut 4, packing ring 5, each foundation base 2 is last two adjacent rag bolts 3 have evenly welded a plurality of horizontally first reinforcing bars 6 in vertical direction, and a plurality of horizontally first reinforcing bars 6 and two adjacent vertical rag bolts 3 form a plurality of rectangular structure in vertical direction, and a plurality of horizontally first reinforcing bars 6 form a plurality of regular polygon structures with a plurality of rag bolts 3 in the horizontal direction.

And second steel bars 7 are further welded on opposite corners of each rectangular structure in a crossed manner to form a stable triangular structure, and third steel bars 8 are further welded on opposite corners of each regular polygonal structure in a crossed manner to form a stable triangular structure.

Each rag bolt 3's outer face of cylinder still matches fixed cover 9, the top of fixed cover 9 with 2 fixed connection of foundation base, the design of this fixed cover 9 can make rag bolt 3 and foundation base 2 do not have the clearance after having installed, can effectively avoid iron tower body 1 to receive great horizontal direction wind-force after having installed, because the existence in clearance, the removal takes place in iron tower body 1 bottom, leads to iron tower body 1 top to take place great swing, causes iron tower body 1 unstable phenomenon.

Each the length of fixed cover 9 is 1.2 ~ 1.5 times rag bolt 3's diameter, and this design does benefit to the stability of further improvement rag bolt 3 when receiving fixed cover 9 to support.

Each rag bolt 3's material all adopts 35 steel, and this kind of material not only welding performance is better, does benefit to the welding, and intensity is higher moreover, and each rag bolt 3 all makes blackening and handles, and this design can prevent that rag bolt 3 from rustting.

The material of each nut 4 and each washer 5 is 304 stainless steel, and the design can prevent the nuts 4 and the washers 5 from rusting.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. The utility model provides an anchor structure of iron tower, includes iron tower body, iron tower body's bottom is equipped with 4 lower margin bases, each lower margin base all runs through there are a plurality of rag bolts, each rag bolt all is connected its characterized in that through nut, packing ring and lower margin base: each two adjacent foundation bolts on the foundation base are evenly welded with a plurality of horizontal first reinforcing steel bars in the vertical direction, the plurality of horizontal first reinforcing steel bars and two adjacent vertical foundation bolts form a plurality of rectangular structures in the vertical direction, and the plurality of horizontal first reinforcing steel bars and the plurality of foundation bolts form a plurality of regular polygon structures in the horizontal direction.

2. Foot structure for an iron tower according to claim 1, characterized in that: and second steel bars are further welded on opposite corners of each rectangular structure in a crossed manner to form a stable triangular structure, and third steel bars are further welded on opposite corners of each regular polygonal structure in a crossed manner to form a stable triangular structure.

3. Foot structure for an iron tower according to claim 1, characterized in that: each outer cylindrical surface of the foundation bolt is also matched with a fixed sleeve, and the top end of the fixed sleeve is fixedly connected with the foundation base.

4. Foundation structure for an iron tower according to claim 3, characterized in that: the length of each fixed sleeve is 1.2-1.5 times of the diameter of the foundation bolt.

5. Foot structure for an iron tower according to claim 1, characterized in that: the material of each foundation bolt all adopts 35 steel, and each foundation bolt all makes blackening.

6. Foot structure for an iron tower according to claim 1, characterized in that: the material of each nut and washer is 304 stainless steel.