CN218624507U

CN218624507U - Anticorrosive flange device for wind power tower

Info

Publication number: CN218624507U
Application number: CN202223135622.4U
Authority: CN
Inventors: 罗仁伟; 戴文华; 蒋安路; 王昕�
Original assignee: Huaneng International Power Co ltd Anhui Wind Power Branch
Current assignee: Huaneng International Power Co ltd Anhui Wind Power Branch
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-03-14
Anticipated expiration: 2032-11-24
Also published as: JP3242713U

Abstract

The utility model relates to the technical field of flange corrosion prevention, and discloses a corrosion-proof flange device for a wind power tower, which comprises two annular seats, wherein the two annular seats are mutually superposed, and one end of each annular seat, which is far away from each other, is coaxially connected with a supporting tube; a reinforcing structure is arranged between the supporting tube and the annular seat; still include two seal housing, seal housing's side middle part is the arc bending structure who outwards stretches out for seal housing forms the big shape in the middle of the little two, and two seal housing splices together, and seal housing's bayonet socket card is on the stay tube, and seal housing's middle part card is on annular seat. The utility model discloses when using, two annular seats are sealed in seal housing's inside, can not contact with the rainwater air, and the joint strength between two pipe fittings about not only can strengthening like this can also let flange and external environment isolated, uses for a long time and can not corrode.

Description

Anticorrosive flange device for wind power tower

Technical Field

The utility model relates to a flange anticorrosion technical field specifically is a wind power tower is with anticorrosive flange device.

Background

With the development and popularization of new energy technology, a tower is one of important components of wind power equipment, and at present, a tubular tower type wind power tower is mainly adopted, and in the installation process of the tubular tower type wind power tower, a plurality of sections of tower bodies (prefabricated pipes) need to be connected together through flanges and bolts. Although the connection achieves the required strength, the flange connection is exposed to the air for a long time, and due to the gaps between the flanges and the contact of the bolts and the air, the flange connection is oxidized and corroded in the air for a long time, and if the flange connection is contacted with rainwater, the corrosion process is accelerated.

SUMMERY OF THE UTILITY MODEL

Not enough to current flange, the utility model provides a wind-powered electricity generation is anticorrosive flange device for pylon possesses corrosion-resistant and the big advantage of structural strength, has solved the problem of proposing among the above-mentioned background art.

The utility model provides a following technical scheme: a corrosion-proof flange device for a wind power tower comprises two annular seats, wherein the two annular seats are mutually superposed, and one end of each annular seat, which is far away from each other, is coaxially connected with a supporting tube;

a reinforcing structure is arranged between the supporting tube and the annular seat;

still include two seal housing, seal housing's side middle part is the arc bending structure who outwards stretches out for seal housing forms the big shape in the middle of the little two, and two seal housing splices together, and seal housing's bayonet socket card is on the stay tube, and seal housing's middle part card is on annular seat.

Preferably, the sealed shell and the sealed shell are welded and fixed, and the upper end and the lower end of the sealed shell and the supporting tube are welded and fixed.

Preferably, a plurality of mounting holes are formed in the two annular seats, and the mounting holes are fastened through bolts.

Preferably, the reinforcing structure comprises a thickened part arranged between the supporting tube and the annular seat, a plurality of triangular reinforcing plates arranged at equal intervals are connected to the thickened part, and two ends of each triangular reinforcing plate are respectively connected to the annular seat and the supporting tube.

Preferably, the annular seat and the supporting tube are internally provided with reinforcing frames, each reinforcing frame is provided with a plurality of supporting plates, one ends of the supporting plates are fixed together, the supporting plates are distributed in a divergent manner, and the other ends of the supporting plates are respectively and fixedly connected with the annular seat and the inner wall of the supporting tube.

Compared with the prior flange, the utility model discloses when using, welded fastening between seal housing and the seal housing, welded fastening between both ends and the stay tube about the seal housing, two annular seats are sealed in seal housing's inside like this, can not contact with the rainwater air, so not only can strengthen the joint strength between two upper and lower pipe fittings, can also let flange and external environment completely cut off, and long-time the use can not corrode.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of the sealing housing of the present invention.

Fig. 3 is a schematic structural view of the sealing housing and the flange of the present invention.

Fig. 4 is a schematic structural view of the wind power tower of the present invention.

In the figure: 1. an annular seat; 2. mounting holes; 3. sealing the housing; 4. supporting a tube; 5. a reinforcing frame; 6. a thickened portion; 7. a triangular reinforcing plate.

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. 1-4, a corrosion-proof flange device for a wind power tower comprises two annular seats 1, wherein the two annular seats 1 are mutually overlapped, a supporting tube 4 is coaxially connected to one end, far away from each other, of each annular seat 1, and the annular seats 1 and the supporting tube 4 form a flange structure;

the utility model also comprises two sealed shells 3, as shown in fig. 2 and fig. 3, the two sealed shells 3 are spliced with each other to enclose a flange (an annular seat) in the middle, a plurality of mounting holes 2 are arranged on the two annular seats 1, and the mounting holes 2 are fastened by bolts;

the side middle part of seal shell 3 is the arc bending structure who outwards stretches out for seal shell 3 forms the big shape in the middle of the little two, and two seal shell 3 concatenations together, and seal shell 3's bayonet socket card is on stay tube 4, and seal shell 3's middle part card is on annular seat 1.

In order to enable the joint of the flange to be sealed and prevent the corrosion of outside air and rainwater, the sealing shell 3 and the sealing shell 3 are fixedly welded, the upper end and the lower end of the sealing shell 3 and the supporting tube 4 are fixedly welded, and the two annular seats are sealed inside the sealing shell 3 and cannot be in contact with rainwater and air.

It should be noted that, in the process of installing the tubular tower type wind power tower, the two ends of the prefabricated pipe are respectively welded on the supporting pipe 4, then the two prefabricated pipe fittings are connected through the annular seat, after the fastening bolt is installed, the sealing shell is clamped outside the annular seat for welding and sealing, and the appearance after installation and molding is as shown in fig. 4.

As shown in fig. 1, a reinforcing structure is provided between the support tube 4 and the annular seat 1; the reinforcing structure comprises a thickened part 6 arranged between the supporting tube 4 and the annular seat 1, a plurality of triangular reinforcing plates 7 which are arranged at equal intervals are connected to the thickened part 6, and two ends of each triangular reinforcing plate 7 are respectively connected to the annular seat 1 and the supporting tube 4, so that the rigidity of the joint of the annular seat 1 and the supporting tube 4 can be improved.

As shown in figures 1 and 3, the annular seat 1 and the supporting tube 4 are both internally provided with reinforcing frames 5, the reinforcing frames 5 are a plurality of supporting plates, one ends of the supporting plates are fixed together, the supporting plates are distributed in a divergent manner, and the other ends of the supporting plates are respectively fixedly connected with the inner walls of the annular seat 1 and the supporting tube 4. The rigidity of the connection part of the wind power tower is enough.

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. The utility model provides a wind power tower is with anticorrosive flange device, includes two annular seats (1), its characterized in that: the two annular seats (1) are mutually superposed, and one end of each annular seat (1) which is far away from each other is coaxially connected with a supporting tube (4);

a reinforcing structure is arranged between the supporting tube (4) and the annular seat (1);

the sealing device is characterized by further comprising two sealing shells (3), the middle parts of the side surfaces of the sealing shells (3) are arc-shaped bending structures extending outwards, so that the sealing shells (3) form a shape with two small ends and a large middle part, the two sealing shells (3) are spliced together, bayonets of the sealing shells (3) are clamped on the supporting tube (4), and the middle parts of the sealing shells (3) are clamped on the annular seat (1).

2. The corrosion-proof flange device for the wind power tower according to claim 1, wherein: the sealed shell (3) is welded and fixed with the sealed shell (3), and the upper end and the lower end of the sealed shell (3) are welded and fixed with the supporting tube (4).

3. The corrosion-proof flange device for the wind power tower according to claim 1, wherein: a plurality of mounting holes (2) are formed in the two annular seats (1), and the mounting holes (2) are fastened through bolts.

4. The anticorrosive flange device for the wind power tower according to claim 1, wherein: the reinforcing structure comprises a thickened part (6) arranged between a supporting pipe (4) and an annular seat (1), a plurality of triangular reinforcing plates (7) which are arranged at equal intervals are connected to the thickened part (6), and two ends of each triangular reinforcing plate (7) are respectively connected to the annular seat (1) and the supporting pipe (4).

5. The corrosion-proof flange device for the wind power tower according to claim 1, wherein: the annular seat (1) and the supporting tube (4) are internally provided with reinforcing frames (5), the reinforcing frames (5) are a plurality of supporting plates, one ends of the supporting plates are fixed together, the supporting plates are distributed in a divergent manner, and the other ends of the supporting plates are fixedly connected with the inner walls of the annular seat (1) and the supporting tube (4) respectively.