CN211874652U

CN211874652U - Vortex strip convenient to installation

Info

Publication number: CN211874652U
Application number: CN202020199566.2U
Authority: CN
Inventors: 武龙
Original assignee: Nanjing Skylark Information Technology Co ltd
Current assignee: Nanjing Skylark Information Technology Co ltd
Priority date: 2020-02-24
Filing date: 2020-02-24
Publication date: 2020-11-06
Anticipated expiration: 2030-02-24

Abstract

The utility model provides a conveniently installed turbulence strip, which comprises a box body and a holding unit, wherein the holding unit is arranged on the box body; the positioning device is movably arranged on the box body; and the turbulence device is arranged on the positioning device and fixedly connected with the positioning device.

Description

Vortex strip convenient to installation

Technical Field

The utility model relates to a megawatt level tower section of thick bamboo fan installation construction technical field especially relates to a vortex strip convenient to installation.

Background

At present, as wind power technology develops towards the direction of high power, large blades and high towers increasingly, the vibration problem of the tower structure of the wind driven generator becomes more and more prominent. At present, the tower barrel of the wind turbine is developed to more than 140m, and the problem of wind-induced vibration in the hoisting process has attracted attention of various manufacturers. Wind-induced vibration is more likely to occur due to the reduced overall frequency of the all-steel flexible tower. And once wind-induced vibration occurs, the hoisting safety of the tower barrel is challenged.

Therefore, two methods are mainly used to effectively improve the condition from the two aspects of fluid and structure: first, the out-flow field characteristics of the light cylinder are changed. Second, the structural characteristics of the tower are improved. Starting from these two aspects, there are two products that improve on this phenomenon: 1. the outer part is provided with a turbulence strip. 2. The damper is additionally arranged inside the shell.

The turbulence strip product changes the stress on the surface of the tower drum by destroying the periodic flow characteristics of an external flow field from the outside. The occurrence probability of flow-induced vibration of the light tower is reduced from the fluid mechanics perspective. At present, under the condition of installing the spoiler, the vibration amplitude of the light tower cylinder in the hoisting process can be effectively reduced, and therefore a device for quickly installing the spoiler is needed.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect of the inconvenient installation among the prior art to a vortex strip convenient to installation is provided.

In order to solve the technical problem, the utility model provides a following technical scheme: a conveniently-installed turbulence strip comprises a box body and a containing unit, wherein the containing unit is arranged on the box body; the positioning device is movably arranged on the box body; and the turbulence device is arranged on the positioning device and fixedly connected with the positioning device.

As a convenient to install vortex strip's an preferred scheme, wherein: the positioning device further comprises a main body unit and a limiting unit, the main body unit is arranged on the positioning device, and the limiting unit is arranged on the main body unit and is movably connected with the main body unit.

As a convenient to install vortex strip's an preferred scheme, wherein: the main body unit further comprises a rod member formed to protrude from one side of the inside of the main body unit; the limiting unit further comprises a rotating component and an elastic component, the rotating component is movably connected with the main body unit, the rotating component is arranged on the rod component, the elastic component is arranged on the rotating component, one end of the elastic component is fixedly connected with the rotating component, and the other end of the elastic component is fixedly connected with the box body.

As a convenient to install vortex strip's an preferred scheme, wherein: the body unit further includes a first groove concavely formed from one side of the body unit, and the lever member is disposed in the first groove.

As a convenient to install vortex strip's an preferred scheme, wherein: the accommodating unit further comprises a second groove, and the second groove is formed in the accommodating unit and is formed by sinking from one side of the accommodating unit.

As a convenient to install vortex strip's an preferred scheme, wherein: the number m of the limiting units arranged on the positioning device is more than or equal to 3.

As a convenient to install vortex strip's an preferred scheme, wherein: the cross section of the flow disturbing device is triangular, and three sides are straight lines.

As a convenient to install vortex strip's an preferred scheme, wherein: the cross section of the turbulence device is triangular, and three sides are arc shapes which are concave towards the center.

As a convenient to install vortex strip's an preferred scheme, wherein: the number n of the turbulence devices is more than or equal to 3.

The utility model has the advantages that:

1. the utility model provides a vortex strip convenient to installation can make the quick installation of aerogenerator pylon of not installing vortex strip originally, reaches the purpose that facilitates the use.

2. The utility model provides a vortex strip convenient to installation, original vortex strip mostly are fixed using the rope, and the structure easily breaks down to the process is loaded down with trivial details, and installation time can be practiced thrift to this vortex strip, and is more firm.

Drawings

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

fig. 1 is a schematic view of the overall structure of a spoiler strip convenient to mount according to the present invention;

fig. 2 is a schematic view of the overall structure of the box body of the turbulence strip convenient to install according to the present invention;

FIG. 3 is a schematic view of the overall structure of the positioning device for conveniently installed spoiler strips according to the present invention;

fig. 4 is a schematic view of the overall structure of the limiting unit of the turbulence strip convenient to install according to the present invention;

fig. 5 is a schematic view of the overall structure of the main unit of the spoiler strip convenient to mount according to the present invention;

fig. 6 is a schematic cross-sectional structural view of a box body of the turbulence strip convenient to install provided by the present invention;

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

The present embodiment provides a spoiler strip that is easy to install, as shown in fig. 1 to 3,

specifically, the container comprises a box body 100 and a containing unit 101, wherein the containing unit 101 is arranged on the box body 100;

the positioning device 200, the positioning device 200 is movably arranged on the box body 100;

the spoiler 300, the spoiler 300 is arranged on the positioning device 200, and the spoiler 300 is fixedly connected with the positioning device 200.

Preferably, the wind turbine tower comprises a box 100 and a receiving unit 101, wherein the box 100 is a main body of the wind turbine tower, and the receiving unit 101 is a plastic adhesive member adhered to the box 100 and has a receiving space.

The positioning device 200 is to install the spoiler on the box 100, one end of the positioning device 200 may be clamped on the box 100, and the other end is fixedly connected to the spoiler.

The spoiler device 300 is a spoiler strip, and the box body 100 after the spoiler strip is installed can effectively reduce the vibration amplitude of the box body 100 in the hoisting process.

In actual operation, only the positioning device 200 mounted on the spoiler 300 needs to be taken and placed in the accommodating unit 101 of the box 100, the positioning device 200 can be fixed on the box 100, and the spoiler 300 fixedly connected with the positioning device is also fixed on the box 100, so that the spoiler strip is mounted. The installation mode is fast and convenient, and is easy to operate.

Example 2

The present embodiment provides a spoiler strip that is easy to install, as shown in fig. 1 to 6,

specifically, the wind turbine tower comprises a box 100 and a containing unit 101, wherein the box 100 is a main body of the wind turbine tower, and the containing unit 101 is a plastic adhesive member adhered to the box 100 and has a containing space.

Specifically, the positioning device 200 further includes a main body unit 201 and a limiting unit 202, the main body unit 201 is disposed on the positioning device 200, and the limiting unit 202 is disposed on the main body unit 201 and movably connected to the main body unit 201.

The body unit 201 further includes a lever member 201a, the lever member 201a being formed to protrude from one side of the inside of the body unit 201;

the limiting unit 202 further includes a rotating member 202a and an elastic member 202b, the rotating member 202a is movably connected with the body unit 201, the rotating member 202a is disposed on the rod member 201a, the elastic member 202b is disposed on the rotating member 202a, one end of the elastic member is fixedly connected with the rotating member 202a, and the other end of the elastic member is fixedly connected with the box body 100.

The body unit 201 further includes a first recess 201b, the first recess 201b being formed recessed from one side of the body unit 201, and the lever member 201a being disposed in the first recess 201 b.

The accommodating unit 101 further includes a second groove 101a, and the second groove 101a is disposed on the accommodating unit 101 and is formed by being recessed from one side of the accommodating unit 101.

Preferably, the wind turbine tower comprises a box 100 and a receiving unit 101, wherein the box 100 is a main body of the wind turbine tower, and the receiving unit 101 is a plastic adhesive member adhered to the box 100.

Preferably, the positioning device 200 further includes a main unit 201 and a limiting unit 202, the main unit 201 is a middle main body of the positioning device 200 connecting the box 100 and the spoiler 300, the main unit 201 is disposed on the positioning device 200, the limiting unit 202 is disposed on the main unit 201, the positioning device 200 can be clamped on the box 100, the limiting unit 202 is movably connected to the main unit 201, and the movement of the limiting unit 202 can enable the positioning device 200 to be clamped on or separated from the box 100.

The body unit 201 further includes a lever member 201a, and the lever member 201a is a movable lever formed to protrude from one side of the body unit 201, and the lever member 201a allows the stopper unit 202 to move therearound.

The limiting unit 202 further includes a rotating component 202a and an elastic component 202b, the rotating component 202a is movably connected with the main unit 201, the rotating component 202a rotates around the rod component 201a, the elastic component 202b can be, but is not limited to, a spring, an elastic sheet or other elastic parts, and the elastic component 202b can apply a force to the rotating component 202a in a direction away from the case 100, so that the rotating component 202a is clamped on the case 100.

The main body unit 201 further includes a first groove 201b, the first groove 201b is a placement space provided on the main body unit 201, the lever member 201a is provided in the first groove 201b, the rotation member 202a is provided in the first groove 201b, and the first groove 201b is provided so that a suitable space can be placed on the case 100.

The accommodating unit 101 further includes a second groove 101a, which can accommodate the rotated rotating member 202a, and the rotating member 202a can be caught on a sidewall of the second groove 101 a.

In operation, in the initial state, the rotating member 202a is pushed to the outside by the force of the elastic member 202b in the first groove 201b, when the positioning device 200 is inserted into the second groove 101a, the rotating member 202a is pressed by the edge of the second groove 101a, and shrinks inwards, and when reaching the bottom, the elastic member 202b is expanded, the rotating member 202a is fixed on the box 100, and thus the spoiler 300 on the positioning device 200 is also fixed on the box 100.

Example 3

Specifically, the number m of the limiting units 202 arranged on the positioning device 200 is greater than or equal to 3.

The cross section of the turbulent device 300 is triangular, and three sides are straight lines.

The cross section of the turbulent device 300 is triangular, and three sides are arc shapes concave to the center.

The number n of the flow disturbance devices 300 is more than or equal to 3.

Preferably, the positioning device 200 is provided with more than three limiting units 202, preferably 3 sets, which is convenient for stabilization.

The cross section of the turbulence device 300 is triangular, and the triangular cross section is beneficial to a turbulence strip product to destroy the periodic flow characteristic of an external flow field from the outside, so that the stress on the surface of the tower barrel is changed, and the turbulence strip is connected through a nylon rope.

Preferably, three sides of the triangle can be, but are not limited to, straight lines or arcs.

Straight lines are commonly used, and the design of arcs can make the wind damping effect better.

The number n of the turbulence devices 300 is more than or equal to 3, and the optimal number is 3 groups, and the arrangement of the turbulence strips of a plurality of groups is beneficial to averaging external acting force.

In actual operation, the multiple groups of limiting units 202 are convenient to set more stably, the cross sections of the triangular pairs and the multiple turbulence strips are beneficial to changing the stress on the surface of the tower drum by destroying the periodic flow characteristic of an external flow field from the outside.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. The utility model provides a vortex strip convenient to installation which characterized in that: the container comprises a box body (100) and a containing unit (101), wherein the containing unit (101) is arranged on the box body (100);

the positioning device (200), the positioning device (200) is movably arranged on the box body (100);

the flow disturbing device (300) is arranged on the positioning device (200), and the flow disturbing device (300) is fixedly connected with the positioning device (200).

2. The spoiler strip for easy installation according to claim 1, wherein: the positioning device (200) further comprises a main body unit (201) and a limiting unit (202), the main body unit (201) is arranged on the positioning device (200), and the limiting unit (202) is arranged on the main body unit (201) and movably connected with the main body unit (201).

3. The spoiler strip for easy installation according to claim 2, wherein: the main body unit (201) further comprises a rod member (201a), and the rod member (201a) is formed by protruding from one side of the inner part of the main body unit (201);

the limiting unit (202) further comprises a rotating component (202a) and an elastic component (202b), the rotating component (202a) is movably connected with the main body unit (201), the rotating component (202a) is arranged on the rod component (201a), the elastic component (202b) is arranged on the rotating component (202a), one end of the elastic component is fixedly connected with the rotating component (202a), and the other end of the elastic component is fixedly connected with the box body (100).

4. The spoiler strip for easy installation according to claim 3, wherein: the main body unit (201) further comprises a first groove (201b), the first groove (201b) is formed by being recessed from one surface of the main body unit (201), and the rod member (201a) is arranged in the first groove (201 b).

5. The spoiler strip for easy installation according to claim 4, wherein: the accommodating unit (101) further comprises a second groove (101a), and the second groove (101a) is formed in the accommodating unit (101) in a recessed mode from one side of the accommodating unit (101).

6. The spoiler strip for easy installation according to any one of claims 2, 3 or 5, wherein: the number m of the limiting units (202) arranged on the positioning device (200) is more than or equal to 3.

7. The spoiler strip for easy installation according to any one of claims 1, 2, 3 or 5, wherein: the cross section of the turbulent flow device (300) is triangular, and three sides are straight lines.

8. The spoiler strip for easy installation according to any one of claims 1, 2, 3 or 5, wherein: the cross section of the turbulent flow device (300) is triangular, and three sides are arc-shaped concave towards the center.

9. The spoiler strip for easy installation according to any one of claims 1, 2, 3 or 5, wherein: the number n of the turbulence devices (300) is more than or equal to 3.