CN216278282U

CN216278282U - High-damping wind power tower

Info

Publication number: CN216278282U
Application number: CN202123161154.3U
Authority: CN
Inventors: 张�杰; 王程; 向本军; 张裕己; 李航; 袁中亚; 贾美薇; 于淼; 苏政忠; 张特
Original assignee: Heilongjiang University
Current assignee: Heilongjiang University
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-12
Anticipated expiration: 2031-12-15

Abstract

The utility model relates to the technical field of wind power towers, in particular to a high-damping wind power tower which comprises a tower, wherein the tower is composed of a plurality of tower cylinder sections which are connected up and down, the tower cylinder sections are of a circular truncated cone-shaped hollow structure, the diameters of the tower cylinder sections are sequentially reduced from bottom to top, an upper flange plate is arranged on the inner wall of the top end of each tower cylinder section, a lower flange plate is arranged on the inner wall of the bottom end of each tower cylinder section, a plurality of connecting holes which correspond to each other in position are formed in the upper flange plate and the lower flange plate, an upper groove which is of an annular structure is formed in the top end of each tower cylinder section, a lower groove which is of an annular structure is formed in the bottom end of each tower cylinder section, and damping rubber rings are arranged between the upper groove and the lower groove and correspond to each other in position.

Description

High-damping wind power tower

Technical Field

The utility model relates to the technical field of wind power towers, in particular to a high-damping wind power tower.

Background

The tower is a main bearing structure of the wind generating set, the height of the wind generating tower is increased, particularly the height of the tower is over 100 meters, the adverse effect of wind shearing can be effectively overcome, the average wind speed of the hub height of the fan is improved, the generated energy is improved, and the investment efficiency of the fan is increased.

However, the increase of the height of the tower can cause the rigidity to be reduced, the system frequency is reduced, and the vibration problem of the tower is more prominent, when the wind turbine generator system runs, the nacelle and the tower can generate more serious vibration, and the vibration of the tower is more serious along with the continuous increase of the wind speed, and the long-term vibration can generate a plurality of adverse effects on the running of the wind turbine generator system, so that the matching precision is reduced, the abrasion of a transmission part is increased, and therefore a high-damping wind turbine tower is needed to improve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-damping wind power tower to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the tower is composed of a plurality of tower shell sections which are connected up and down, the tower shell sections are of a circular truncated cone-shaped hollow structure, the diameters of the tower shell sections are sequentially reduced from bottom to top, an upper flange plate is arranged on the inner wall of the top end of each tower shell section, a lower pull plate is arranged on the inner wall of the bottom end of each tower shell section, a plurality of connecting holes corresponding to the positions of the upper flange plate and the lower pull plate are formed in the upper flange plate and the lower pull plate, the upper flange plate and the lower flange plate of every two adjacent tower shell sections penetrate through the connecting holes through flange bolts to be connected and fixed, an upper groove in an annular structure is formed in the top end of each tower shell section, a lower groove in an annular structure is formed in the bottom end of each tower shell section, the upper grooves and the lower grooves of every two adjacent tower shell sections correspond in position, and a damping rubber ring is arranged between the upper grooves and the lower grooves.

Preferably, the upper flange plate and the lower flange plate are integrally formed with the tower frame shell section.

Preferably, the top end of the upper flange plate is provided with a limiting clamping groove, the spatial volume of the limiting clamping groove is larger than that of the lower pulling plate, and the lower pulling plate is arranged in the limiting clamping groove.

Preferably, the height of the damping rubber ring is greater than the sum of the depths of the upper groove and the lower groove.

Preferably, a plurality of through holes are formed in the damping rubber ring at equal intervals, a damping spring is arranged in each through hole, and two ends of each damping spring are in contact with the inner walls of the upper groove and the lower groove.

Preferably, be located the top the disc is installed at pylon shell ring top, the inside activity of disc is provided with removes the seat, equidistant a plurality of damping shock absorber ware of installing between the outer wall of removing the seat and the inner wall of disc, the baffle is installed at the top of disc, the vertical dead lever that passes the baffle of installing of top center department of removing the seat, wind power equipment is installed at the top of dead lever, wind power equipment one side is provided with the flabellum.

Preferably, the both ends of damping bumper shock absorber are connected with first connecting plate and second connecting plate respectively, first connecting plate be with the arc structure of disc inner wall looks adaptation, the second connecting plate be with remove the arc structure of seat outer wall looks adaptation, all pass through the bolt fastening between first connecting plate and the disc and between second connecting plate and the removal seat.

Preferably, the edge of the bottom of the disc is provided with a plurality of drain holes at equal intervals along the circumferential direction.

Preferably, a fixing plate is installed at the bottom of the tower shell ring located at the lowest position, and four corners of the fixing plate are connected to concrete piles on the ground through anchor bolts.

Preferably, a plurality of ground inserting rods are vertically arranged at the bottom of the fixing plate, and anchor rods which are obliquely arranged are connected to two sides of each ground inserting rod.

Compared with the prior art, the utility model has the beneficial effects that:

in the utility model, when two adjacent tower frame shell sections are connected, the lower flange plate is clamped into the limiting clamping groove on the upper flange plate, so that the two adjacent tower frame shell sections are conveniently installed in an aligned mode, the upper flange plate, the lower flange plate and the flange bolts are convenient for connecting and fixing two adjacent tower frame shell sections, when the tower is subjected to bending oscillation in a certain direction by external force to generate swing, the tower shell ring on the pressed side extrudes the damping rubber ring and the damping spring, the reverse damping force is generated through the elastic action of the damping rubber ring and the damping spring to reduce the swing oscillation, thereby effectively reducing and lowering the vibration and the amplitude of the tower, when the wind power equipment is impacted, the movable seat moves in the disc, so that the damping shock absorbers are extruded, the vibration and the amplitude of the wind power equipment are effectively reduced and reduced through the elastic action of the damping shock absorber, and the overall wind resistance is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of a high damping wind power tower according to the present invention;

FIG. 2 is a cross-sectional view of a tower shell ring joint of a high damping wind power tower according to the present invention;

FIG. 3 is an enlarged view of the structure of the area A in FIG. 2;

FIG. 4 is a top sectional view of a disk of a high damping wind tower according to the present invention;

FIG. 5 is a front cross-sectional view of a disk of a high damping wind tower according to the present invention;

fig. 6 is a schematic structural view of a fixing plate of a high-damping wind power tower according to the present invention.

In the figure: 1. a tower; 2. a tower shell ring; 201. an upper flange plate; 202. pulling the disc by a downward method; 203. connecting holes; 204. a flange bolt; 205. an upper groove; 206. a lower groove; 3. a fixing plate; 301. an anchor bolt; 302. a ground inserting rod; 4. a disc; 401. a drain hole; 402. a baffle plate; 5. fixing the rod; 6. a wind power plant; 7. a fan blade; 8. a damping rubber ring; 801. a through hole; 802. a damping spring; 9. a damping shock absorber; 901. a first connecting plate; 902. a second connecting plate; 10. and a movable seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-6, the present invention provides a technical solution:

a high-damping wind power tower comprises a tower 1, wherein the tower 1 is composed of a plurality of tower cylinder sections 2 which are connected up and down, the tower cylinder sections 2 are of a circular truncated cone-shaped hollow structure, the diameters of the tower cylinder sections 2 are sequentially reduced from bottom to top, an upper flange plate 201 is arranged on the inner wall of the top end of each tower cylinder section 2, a lower flange plate 202 is arranged on the inner wall of the bottom end of each tower cylinder section 2, a plurality of connecting holes 203 which correspond to each other in position are formed in the upper flange plate 201 and the lower flange plate 202, the upper flange plate 201 and the lower flange plate 202 of two adjacent tower cylinder sections 2 penetrate through the connecting holes 203 through flange bolts 204 to be connected and fixed, an upper groove 205 which is of an annular structure is formed in the top end of each tower cylinder section 2, a lower groove 206 which is of an annular structure is formed in the bottom end of each tower cylinder section 2, the upper groove 205 and the lower groove 206 of two adjacent tower sections 2 correspond in position, and a damping rubber ring 8 is arranged between the upper groove 205 and the lower groove 206.

In this embodiment, referring to fig. 2, an upper flange plate 201 and a lower flange plate 202 are integrally formed with a tower shell ring 2, a limiting clamping groove is formed at the top end of the upper flange plate 201, the spatial volume of the limiting clamping groove is larger than that of the lower flange plate 202, the lower flange plate 202 is disposed inside the limiting clamping groove, when two adjacent tower shell rings 2 are connected, the lower flange plate 202 is clamped into the limiting clamping groove on the upper flange plate 201, so that the two adjacent tower shell rings 2 are conveniently installed in an aligned manner, and the two adjacent tower shell rings 2 are conveniently connected and fixed through the upper flange plate 201, the lower flange plate 202 and a flange bolt 204.

In this embodiment, referring to fig. 2 and fig. 3, the height of the damping rubber ring 8 is greater than the sum of the depths of the upper groove 205 and the lower groove 206, a plurality of through holes 801 are formed in the damping rubber ring 8 at equal intervals, a damping spring 802 is disposed in each through hole 801, two ends of the damping spring 802 are in contact with the inner walls of the upper groove 205 and the lower groove 206, when the tower 1 is subjected to bending oscillation in a certain direction by an external force to generate oscillation, the tower shell 2 on the pressed side extrudes the damping rubber ring 8 and the damping spring 802, and a reverse damping force is generated by the elastic action of the damping rubber ring 8 and the damping spring 802 to reduce the oscillation of the oscillation, thereby effectively reducing and reducing the oscillation and amplitude of the tower 1 and improving the wind resistance of the tower 1.

In this embodiment, referring to fig. 4 and 5, a disc 4 is installed on the top of the uppermost tower shell ring 2, a movable base 10 is movably installed inside the disc 4, a plurality of damping shock absorbers 9 are installed between the outer wall of the movable base 10 and the inner wall of the disc 4 at equal intervals, a baffle 402 is installed on the top of the disc 4, a fixed rod 5 penetrating through the baffle 402 is vertically installed at the center of the top of the movable base 10, a wind power device 6 is installed on the top of the fixed rod 5, a fan blade 7 is installed on one side of the wind power device 6, a first connecting plate 901 and a second connecting plate 902 are respectively connected to two ends of the damping shock absorbers 9, the first connecting plate 901 is an arc structure matched with the inner wall of the disc 4, the second connecting plate 902 is an arc structure matched with the outer wall of the movable base 10, and the first connecting plate 901 and the disc 4 and the second connecting plate 902 and the movable base 10 are both fixed by bolts, when wind power equipment 6 receives the impact, make to remove seat 10 and remove in disc 4 to extrude damping bumper shock absorber 9, through the effectual reduction of the elastic action of damping bumper shock absorber 9 and the vibration and the amplitude that reduce wind power equipment 6, improve wind power equipment 6's wind resistance ability.

In this embodiment, referring to fig. 5, a plurality of drain holes 401 are formed at equal intervals along the circumferential direction at the edge of the bottom of the disc 4, so that rainwater in the disc 4 can be drained quickly through the drain holes 401, and the damping shock absorber 9 is prevented from being corroded to affect the use effect.

In this embodiment, please refer to fig. 6, fixed plate 3 is installed to 2 bottoms of tower shell ring that are located the below, four corners of fixed plate 3 all connect on the concrete pile on ground through anchor bolt 301, the vertical many ground poles 302 of inserting of installing in the bottom of fixed plate 3, the both sides of ground pole 302 all are connected with the stock that the slope set up, can inject the concrete pile deeply through ground pole 302 and the stock that insert that set up, rethread anchor bolt 301 is fixed, improve and support the steadiness.

The working principle of the utility model is as follows: when in use, the ground inserting rod 302 and the anchor rod are deeply inserted into the concrete pile and are fixed by the anchor bolt 301, so that the support stability is improved, when two adjacent tower shell ring sections 2 are connected, the lower flange 202 is clamped into the limit clamping groove on the upper flange plate 201, so that the two adjacent tower shell ring sections 2 are installed in a contraposition mode, the upper flange plate 201 and the lower flange 202 are connected and fixed by the flange bolt 204 penetrating through the connecting hole 203, so that the damping rubber ring 8 is arranged in the upper groove 205 and the lower groove 206, when the tower 1 is subjected to bending oscillation in a certain direction by external force and swings, the tower shell ring section 2 on the pressed side extrudes the damping rubber ring 8 and the damping spring 802, and generates reverse damping force by the elastic action of the damping rubber ring 8 and the damping spring 802, so as to reduce the swinging oscillation, thereby effectively reducing and lowering the vibration and amplitude of the tower 1, when the wind power equipment 6 is impacted, the movable seat 10 is enabled to move in the disc 4, so that the damping shock absorbers 9 are extruded, vibration and amplitude of the wind power equipment 6 are effectively reduced and reduced through the elastic action of the damping shock absorbers 9, and the overall wind resistance is improved.

Claims

1. The utility model provides a high damping wind power tower, includes pylon (1), pylon (1) is by a plurality of and constitutes by pylon shell ring (2) of connecting from top to bottom, pylon shell ring (2) are round platform shape hollow structure and diameter and reduce its characterized in that by lower up in proper order: an upper flange plate (201) is arranged on the inner wall of the top end of the tower frame shell ring (2), a lower flange plate (202) is arranged on the inner wall of the bottom end of the tower frame shell ring (2), the upper flange plate (201) and the lower flange plate (202) are provided with a plurality of connecting holes (203) corresponding to each other in position, the upper flange plate (201) and the lower flange plate (202) of two adjacent tower frame shell sections (2) are fixedly connected through the connecting holes (203) by flange bolts (204), the top end of the tower frame shell ring (2) is provided with an upper groove (205) in an annular structure, the bottom end of each tower frame shell ring (2) is provided with a lower groove (206) in an annular structure, the positions of the upper groove (205) and the lower groove (206) of two adjacent tower frame shell rings (2) correspond, and a damping rubber ring (8) is arranged between the upper groove (205) and the lower groove (206).

2. The high damping wind tower according to claim 1, wherein: the upper flange plate (201) and the lower flange plate (202) are integrally formed with the tower shell ring (2).

3. A high damping wind power tower according to claim 2 in which: the top end of the upper flange plate (201) is provided with a limiting clamping groove, the spatial volume of the limiting clamping groove is larger than that of the lower pulling plate (202), and the lower pulling plate (202) is arranged in the limiting clamping groove.

4. The high damping wind tower according to claim 1, wherein: the height of the damping rubber ring (8) is larger than the sum of the depths of the upper groove (205) and the lower groove (206).

5. The high damping wind tower according to claim 4, wherein: a plurality of through holes (801) are formed in the damping rubber ring (8) at equal intervals, a damping spring (802) is arranged in each through hole (801), and two ends of each damping spring (802) are in contact with the inner walls of the upper groove (205) and the lower groove (206).

6. The high damping wind tower according to claim 1, wherein: be located the top disc (4) are installed at tower shell ring (2) top, the inside activity of disc (4) is provided with removes seat (10), equidistant a plurality of damping shock absorber (9) of installing between the inner wall of the outer wall of removing seat (10) and disc (4), baffle (402) are installed at the top of disc (4), the top center of removing seat (10) locates vertical dead lever (5) of installing and passing baffle (402), wind power equipment (6) are installed at the top of dead lever (5), wind power equipment (6) one side is provided with flabellum (7).

7. The high damping wind tower according to claim 6, wherein: the damping shock absorber (9) is characterized in that two ends of the damping shock absorber (9) are respectively connected with a first connecting plate (901) and a second connecting plate (902), the first connecting plate (901) is of an arc structure matched with the inner wall of the disc (4), the second connecting plate (902) is of an arc structure matched with the outer wall of the moving seat (10), and the first connecting plate (901) and the disc (4) and the second connecting plate (902) and the moving seat (10) are fixed through bolts.

8. The high damping wind tower according to claim 6, wherein: a plurality of drain holes (401) are arranged at the edge of the bottom of the disc (4) at equal intervals along the circumferential direction.

9. The high damping wind tower according to claim 1, wherein: the bottom of the tower frame shell ring (2) located at the lowest position is provided with a fixing plate (3), and four corners of the fixing plate (3) are connected to concrete piles on the ground through anchor bolts (301).

10. The high damping wind tower according to claim 9, wherein: the bottom of fixed plate (3) is vertical installs many and inserts ground pole (302), the both sides of inserting ground pole (302) all are connected with the stock that the slope set up.