CN219365597U

CN219365597U - Prestressing force stiff end backing plate of wind-powered electricity generation mixing tower

Info

Publication number: CN219365597U
Application number: CN202223494853.4U
Authority: CN
Inventors: 李论; 卢石望; 刘平安; 李志杰
Original assignee: Jiangsu Licheng Transportation Technology Co ltd
Current assignee: Jiangsu Licheng Transportation Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-18
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a prestress fixed end backing plate of a wind power mixing tower, which comprises a notch accessory and a backing plate main body, wherein the periphery of the side part of the backing plate main body is provided with a notch, the notch and the notch accessory are arranged in a matched manner, the notch and the notch accessory are connected in an embedded manner, the middle part of the backing plate main body is a cylindrical through hole, the top planes of the backing plate main body and the notch accessory are provided with concave dislocation platforms, and the bottom planes of the backing plate main body and the notch accessory are provided with convex dislocation platforms; by adopting the scheme of the utility model, the form base plate is different from the traditional half base plate, and consists of a large circular ring main body structure and a small opening fitting, and the form of the base plate considers limit measures of an upper structure and a lower structure; therefore, the structural overall rigidity of the backing plate is between the traditional half backing plate and the integral backing plate, and compared with the traditional half backing plate, the structural overall rigidity of the backing plate is improved to a certain extent, and the integrity and the safety of a prestress system are correspondingly improved.

Description

Prestressing force stiff end backing plate of wind-powered electricity generation mixing tower

Technical Field

The utility model belongs to the field of tower top anchoring of wind towers, and particularly relates to a prestress fixed end backing plate of a wind power mixing tower.

Background

The prestress system is an important component part of high-rise structures such as wind towers, and the safety requirement on the prestress system is higher and higher along with rapid development of the wind power field in recent years. The backing plate is used as an important component of the prestress system, is widely applied to various engineering fields, and is used for an example of the prestress system of the wind tower, and the fixed end anchor ring transmits force to the lower component through the backing plate, so that the integrity and the installation accuracy of the backing plate directly influence the stress uniformity and the stability of the prestress system, and the safety of the prestress system of the wind tower is directly influenced. In the prior art, a half-divided base plate without transverse connection and limiting measures is mostly adopted in the wind tower prestress system, two base plates are directly placed below an anchor ring and fixed through pressure, a fixed connection mode is absent between the base plates, and few integrity and limiting measures are considered.

The patent number CN202211557172.X discloses a wind power mixing tower prestress fixed end backing plate, an anchoring end structure and a construction method thereof: the two semicircular base plates with the same size are provided with cylindrical through holes at the middle parts, a downward concave staggered platform is arranged on the top plane of each semicircular base plate, a downward convex staggered platform is arranged on the bottom plane of each semicircular base plate, and the two semicircular base plates are fixedly connected in a detachable mode; the base plate is a half base plate with transverse connection and limiting measures.

However, the integrity and the installation precision of the backing plate directly influence the stress uniformity and the stability of a prestress system, the integrity of the split backing plate is poorer than that of the whole backing plate, the whole backing plate cannot be completely replaced by equal rigidity, and meanwhile, the problem of penetrating the steel stranded wires is solved by the whole backing plate.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a prestress fixed end backing plate of a wind power mixing tower, which can stably transfer force and penetrate a steel strand.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a wind-powered electricity generation mixes tower prestressing force stiff end backing plate, includes opening accessory and backing plate main part, backing plate main part lateral part circumference is provided with an opening, and opening accessory are supporting to set up and adopt embedded connection between opening and the opening accessory, and backing plate main part middle part is the cylinder through-hole, and the top plane of backing plate main part and opening accessory all is provided with concave wrong platform, and the bottom plane of backing plate main part and opening accessory all is provided with protruding wrong platform.

The utility model discloses a prestress fixed end backing plate of a wind power mixing tower, wherein outer edge curves of two side parts of a notch and a notch accessory are symmetrical conical curves, symmetrical points of the symmetrical conical curves on two sides are connected, the minimum distance is b, the lengths of two lines at two ends are a and c respectively, wherein a is the connecting distance of an outer side end point, and c is the connecting distance of an inner side end point.

The utility model discloses a prestress fixed end backing plate of a wind power mixing tower, wherein a is larger than c, and b is larger than c.

By the above arrangement: when the distance between the gap and the connecting line of the symmetrical points of the outer edges of the two side parts of the gap accessory meets a > c and b > c, the gap accessory is clamped in the gap due to the size after the gap accessory is installed in an embedded mode from top to bottom in the axial direction, and the gap accessory has limiting and fixing effects in the transverse direction.

The utility model discloses a prestress fixed end backing plate of a wind power mixing tower, wherein a pin connection is further arranged between a notch and a notch accessory.

By the above arrangement: the added pin connection is used for further increasing connection between the opening and the opening accessory, so that the phenomenon that the top of the wind tower is exposed to sunlight due to long-time wind, rain and sunlight is avoided, the weathered and rusted part falls off, the opening accessory finally falls off from the opening, the anchoring stability of the wind tower is affected if the opening accessory is light, the person is injured by crashing if the opening accessory is heavy, the steel strands of the wind tower are inclined, and the whole wind tower is finally collapsed.

The utility model discloses a prestress fixed end backing plate of a wind power mixing tower, wherein the gap accessory and the backing plate main body are made of alloy steel.

Compared with the prior art, the scheme of the utility model has the following beneficial effects:

1. the cushion plate is different from the traditional half cushion plate, and consists of a large circular ring main body structure and a small notch accessory, wherein the cushion plate takes limit measures of an upper structure and a lower structure into consideration; therefore, the structural overall rigidity of the backing plate is between the traditional half backing plate and the integral backing plate, compared with the traditional half backing plate, the structural overall rigidity of the backing plate can ensure the high efficiency of steel strand wire threading, the integrity of the backing plate is not excessively reduced, the overall rigidity of the backing plate is improved to a certain extent (the overall rigidity can be further improved by adopting pin connection), and meanwhile, the integrity and the safety of a prestress system are correspondingly improved.

2. The base plate is provided with a curve type opening form, so that convenience in construction is considered, protection of a steel cable in the construction process is also considered, and meanwhile, mutual limiting and connection of opening accessories to a main body structure are also considered.

The utility model will be described in more detail below with reference to the drawings and examples.

Drawings

The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:

FIG. 1 is a schematic illustration of the present utility model;

FIG. 2 is a schematic bottom view of the present utility model;

FIG. 3 is a graph showing the distance between conic sections of the fitting of the notch and the notch according to the present utility model;

FIG. 4 is a pinning diagram of the present utility model;

FIG. 5 is a schematic view of the entry of the steel strand of the present utility model;

marked in the figure as: 1. a pad body; 2. a notch fitting; 3. a notch; 4. staggering; 5. a cylindrical through hole; 6. and (5) a pin.

Detailed Description

The following detailed description of the embodiments of the present utility model, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operation and use method, etc., will be given by way of example only to assist those skilled in the art in a more complete, accurate and thorough understanding of the present utility model.

The prestress fixed end backing plate of the wind power mixing tower shown in fig. 1 and 2 comprises a notch accessory 2 and a backing plate main body 1, wherein a notch 3 is formed in the circumference of the side part of the backing plate main body 1, the notch 3 and the notch accessory 2 are arranged in a matched manner, the notch 3 and the notch accessory 4 are connected in an embedded manner, the middle part of the backing plate main body 1 is provided with a cylindrical through hole 5, concave dislocation platforms 4 are arranged on the top planes of the backing plate main body 1 and the notch accessory 2, and convex dislocation platforms 4 are arranged on the bottom planes of the backing plate main body 1 and the notch accessory 2; the gap fittings 2 and the backing plate main body 1 are made of alloy steel.

The outer edge curves of the two sides of the opening 3 and the opening fitting 2 shown in fig. 3 are symmetrical conical curves, symmetrical points of the symmetrical conical curves on two sides are connected, wherein the minimum distance is b, the lengths of the two lines on the two sides are a and c respectively, wherein a is the connecting distance of the outer side end point, c is the connecting distance of the inner side end point, and a > c, b > c.

A pin 6 is also provided between the notch 3 and the notch fitting 2 shown in fig. 4.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.

Claims

1. The utility model provides a wind-powered electricity generation mixes tower prestressing force stiff end backing plate, includes opening accessory and backing plate main part, its characterized in that, backing plate main part lateral part circumference is provided with an opening, and opening accessory are supporting to set up and adopt embedded connection between opening and the opening accessory, and backing plate main part middle part is the cylinder through-hole, and the top plane of backing plate main part and opening accessory all is provided with concave wrong table, and the bottom plane of backing plate main part and opening accessory all is provided with protruding wrong table.

2. The wind power mixing tower prestress fixed end base plate according to claim 1, wherein outer edge curves of two side parts of the gap and the gap accessory are symmetrical conical curves, symmetrical points of the symmetrical conical curves are connected, the minimum distance is b, the lengths of two lines at two ends are a and c respectively, wherein a is the connecting distance of an outer end point, and c is the connecting distance of an inner end point.

3. The wind power mixing tower prestress fixed end backing plate according to claim 2, wherein a > c, b > c.

4. A wind power mixing tower prestress fixed end backing plate according to claim 1 or 3, wherein a pin connection is further arranged between the notch and the notch fitting.

5. The wind power mixing tower prestress fixed end backing plate according to claim 1, wherein the gap fittings and the backing plate main body are made of alloy steel.