CN222576802U

CN222576802U - Wind power tower elastic supporting structure

Info

Publication number: CN222576802U
Application number: CN202420689824.3U
Authority: CN
Inventors: 牛进虎; 董俊洲; 田入学; 李大山; 李作鹏; 王佳; 陶玉强
Original assignee: Gansu Guokai New Energy Equipment Co ltd
Current assignee: Gansu Guokai New Energy Equipment Co ltd
Priority date: 2024-04-07
Filing date: 2024-04-07
Publication date: 2025-03-07
Anticipated expiration: 2034-04-07

Abstract

The utility model discloses an elastic supporting structure of a wind power tower, which belongs to the technical field of wind power equipment and comprises a base, wherein a fixing frame is fixedly arranged at the top of the base through bolts, a buffer mechanism is arranged in the fixing frame, a wind power unit is arranged above the base, the base is connected with the wind power unit through the buffer mechanism, a fixing column is fixedly arranged in the center of the inner bottom wall of the base, the buffer mechanism comprises a mounting seat, the mounting seat is arranged in the base, and a limiting frame is fixedly arranged at the outer side of the mounting seat. According to the elastic support structure of the wind power tower, the buffer springs are arranged to support the mounting seat, when the base is vibrated, the wind power generator set above the wind power generator set compresses the buffer springs on the mounting seat to sink, meanwhile, the four rotating plates roll around in the grooves of the base through the rolling wheels, and force generated by vibration is dispersed, so that the buffer effect is achieved.

Description

Wind power tower elastic supporting structure

Technical Field

The utility model belongs to the technical field of wind power equipment, and particularly relates to an elastic supporting structure of a wind power tower.

Background

The wind power generation technology is rapidly developed, and increasingly develops towards the directions of high power, large blades and high towers, the heights and the body sizes of the towers of the fans are continuously increased, but due to the high flexibility of the towers, the vibration and deformation of the tower structures are increased along with the increase of the heights of the towers during operation, the service lives of the towers are shortened due to frequent excessive shaking, and even the fatigue damage or strength of the towers are caused, so that accidents are caused. Therefore, the wind power tower structure is used as a main supporting structure of the fan, and the safety under the action of earthquake and strong wind load is ensured

At present, the power generation part of the wind power generator is directly connected with the tower, under the condition that vibration can be generated when earthquake, strong wind and the like, the connection part between the tower and the wind turbine generator is easy to break due to the influence of the vibration, serious even breakage can occur, and serious safety accidents are caused, so that the elastic supporting structure of the wind power tower is provided, the structure of the connection part is improved, and the shock resistance of the power generator part is improved, so that the problems are solved.

Disclosure of utility model

In order to overcome one or more of the defects or improvement requirements of the prior art, the utility model provides the elastic support structure of the wind power tower, which has the advantages of improving the structure of the connection part and improving the shock resistance of the generator part.

In order to achieve the above purpose, the utility model provides an elastic support structure of a wind power tower, which comprises a base, wherein a fixed frame is fixedly arranged at the top of the base through bolts, a buffering mechanism is arranged in the opening of the top of the base, a wind power unit is arranged above the base, the base is connected with the wind power unit through the buffering mechanism, and a fixed column is fixedly arranged at the center of the inner bottom wall of the base;

The buffer mechanism comprises a mounting seat, the inside mount pad that is equipped with of base, the outside fixed mounting of mount pad has spacing frame, the top fixed mounting of spacing frame has a plurality of spacing posts, the buffer hole has been seted up at the bottom center of mount pad, the fixed column is located the buffer hole, equal fixed mounting has the dead lever all around the bottom of mount pad, four the outer wall of dead lever is all rotated and is connected with the rotor plate, the bottom fixed mounting of rotor plate has the spliced pole, the outer wall rotation of spliced pole is connected with two rolls the wheel and is located the both sides of rotor plate respectively.

As a further improvement of the utility model, the outer wall of the limit post is movably sleeved with a support spring, and the top end of the support spring is attached to the bottom of the limit frame.

As a further improvement of the utility model, the outer wall of the fixed column is movably sleeved with the buffer spring, the top of the buffer spring is attached to the inner top wall of the mounting seat, and the top of the buffer spring is higher than the top end of the fixed column.

As a further improvement of the utility model, the periphery of the bottom of the mounting seat is provided with the rotating grooves for the rotating plate to rotate.

As a further improvement of the utility model, the inner bottom wall of the base is provided with four sliding grooves, and the corresponding two rolling wheels are respectively connected with the corresponding sliding grooves in a sliding way.

As a further improvement of the utility model, the top of the mounting seat is not lower than the top of the fixed frame when the buffer spring supports the mounting seat.

In general, the above technical solutions conceived by the present utility model have the beneficial effects compared with the prior art including:

1. According to the elastic support structure of the wind power tower, the buffer springs are arranged to support the mounting seat, when the base is vibrated, the wind power generator set above the wind power generator set compresses the buffer springs on the mounting seat to sink, meanwhile, the four rotating plates roll around in the grooves of the base through the rolling wheels, and force generated by vibration is dispersed, so that the buffer effect is achieved.

2. According to the elastic support structure of the wind power tower, the support spring limits the mounting seat through the fixed frame, so that the wind power generation set is prevented from falling off from the base due to resilience force generated after vibration caused by overlarge resilience force of the buffer spring, and meanwhile, the resilience force generated by the buffer spring is damped and buffered through the support spring.

Drawings

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

FIG. 2 is a schematic view of the mounting structure of the structure fixing frame of the present utility model;

FIG. 3 is a schematic view of the internal structure of the base of the present utility model;

FIG. 4 is a schematic view of a portion of a buffer mechanism according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the present utility model at FIG. 4A;

FIG. 6 is a schematic view of a buffer mechanism according to the present utility model.

In all the drawings, the same reference numerals refer to the same technical characteristics, and the technical characteristics comprise 1, a base, 2, a fixed frame, 3, a buffer mechanism, 301, an installation seat, 302, a limit frame, 303, a limit column, 304, a support spring, 305, a buffer hole, 306, a buffer spring, 307, a fixed rod, 308, a rotating groove, 309, a rotating plate, 310, a connecting column, 311, a rolling wheel, 4, a wind turbine generator, 5, a sliding groove, 6 and a fixed column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

1-6, The elastic supporting structure of the wind power tower comprises a base 1, wherein a fixed frame 2 is fixedly arranged at the top of the base 1 through bolts, a buffer mechanism 3 is arranged in the opening of the top of the base 1, a wind power unit 4 is arranged above the base 1, the base 1 is connected with the wind power unit 4 through the buffer mechanism 3, and a fixed column 6 is fixedly arranged at the center of the inner bottom wall of the base 1;

Buffer gear 3 includes a mount pad 301, the inside mount pad 301 that is equipped with of base 1, the outside fixed mounting of mount pad 301 has spacing frame 302, spacing frame 302's top fixed mounting has a plurality of spacing posts 303, buffer hole 305 has been seted up at the bottom center of mount pad 301, fixed column 6 is located buffer hole 305, equal fixed mounting has dead lever 307 all around the bottom of mount pad 301, the outer wall of four dead levers 307 all rotates and is connected with the swivelling board 309, the bottom fixed mounting of swivelling board 309 has spliced pole 310, spliced pole 310's outer wall rotates and is connected with two roll wheels 311 and is located the both sides of swivelling board 309 respectively.

In this embodiment, the mount pad 301 is supported by the buffer spring 306, when the base 1 is vibrated, the wind turbine generator 4 above is sunk on the base 1, and meanwhile, the buffer spring 306 at the bottom is compressed by the mount pad 301, so that the mount pad 301 is synchronously sunk on the fixed column 6, at this time, the rotating plate 309 around the mount pad 301 rolls around to disperse the force generated by vibration through the rolling wheel 311 installed at the bottom, and the buffer spring 306 is compressed and then pushes the mount pad 301 to move upwards for resetting under the action of the resilience force generated by elastic deformation, at this time, the resilience force generated by the buffer spring 306 makes the support spring 304 installed on the upper limit frame 302 compress at the bottom of the fixed frame 2, so as to further perform shock absorption and buffering on the resilience force of the buffer spring 306.

Specifically, referring to fig. 3-6, a supporting spring 304 is movably sleeved on the outer wall of the limiting post 303, and the top end of the supporting spring 304 is attached to the bottom of the limiting frame 302.

In this embodiment, through the outer wall activity cover of spacing post 303 that sets up being equipped with supporting spring 304, supporting spring 304's top is laminated mutually with spacing frame 302's bottom, carries out shock attenuation buffering to mount pad 301 at the in-process that kick-backs after buffer spring 306 receives the compression, supports mount pad 301 when static simultaneously, avoids receiving the rotation of fan leaf and the big wind to arouse when blowing and rocks by a wide margin.

Specifically, referring to fig. 3-6, a buffer spring 306 is movably sleeved on the outer wall of the fixed column 6, the top of the buffer spring 306 is attached to the inner top wall of the mounting seat 301, and the top of the buffer spring 306 is higher than the top end of the fixed column 6.

In this embodiment, the buffer spring 306 is movably sleeved on the outer wall of the fixed column 6, and the top of the buffer spring 306 is attached to the inner top wall of the mounting seat 301, so that the buffer spring 306 is compressed by the mounting seat 301 to play a role in damping and buffering when the wind turbine generator 4 above is vibrated, and the top of the buffer spring 306 is higher than the top end of the fixed column 6, so that the buffer spring 306 plays a role in elastically supporting the mounting seat 301.

Specifically, referring to fig. 3-6, a rotation groove 308 for rotating a rotation plate 309 is formed around the bottom of the mounting base 301.

In this embodiment, through the arrangement that the bottom of the mounting seat 301 is provided with the rotating grooves 308 for the rotating plates 309 to rotate, the four rotating plates 309 can synchronously rotate and open to the periphery when the mounting seat 301 is stressed and sinks.

Specifically, referring to fig. 3, four sliding grooves 5 are formed in the inner bottom wall of the base 1, and two corresponding rolling wheels 311 are slidably connected to the corresponding sliding grooves 5.

In this embodiment, four sliding grooves 5 are provided through the inner bottom wall of the base 1, corresponding to two rolling wheels 311 are respectively in sliding connection with the corresponding sliding grooves 5, so that when the mounting seat 301 is stressed and submerged, the four rolling plates 309 roll in the corresponding sliding grooves 5 through the rolling wheels 311 installed at the bottom, and further the force of the sinking of the upper part is dispersed, meanwhile, the sliding grooves 5 limit the rolling track of the rolling wheels 311, and the situation that the sinking of the mounting seat 301 above is unstable due to separation from the sliding grooves 5 is avoided, so that the effect of smooth shock absorption and buffering cannot be achieved.

Specifically, referring to fig. 1 to 4, the top of the mount 301 is not lower than the top of the fixed frame 2 when the mount 301 is supported by the buffer spring 306.

In this embodiment, when the mount 301 is supported by the buffer spring 306, the top of the mount 301 is not lower than the top of the fixed frame 2, so that the problem that the wind turbine generator 4 above the mount 301 cannot be supported due to too small tension of the buffer spring 306 is avoided, and then no buffer space exists between the bottom wall of the mount 301 and the top of the fixed column 6, so that the purpose of damping and buffering cannot be achieved.

Working principle:

according to the elastic support structure of the wind power tower, the installation seat 301 is supported through the buffer springs 306, when the base 1 is vibrated, the wind power generator set 4 above is sunk on the base 1, meanwhile, the buffer springs 306 at the bottom are compressed through the installation seat 301, and the installation seat 301 is further sunk on the fixed column 6 synchronously, at the moment, the rotating plates 309 around the installation seat 301 roll around through the rolling wheels 311 arranged at the bottom to disperse the force generated by vibration, the buffer springs 306 are compressed and then push the installation seat 301 to move upwards for reset under the action of resilience force generated by elastic deformation, and at the moment, the resilience force generated by the buffer springs 306 enables the support springs 304 arranged on the upper limit frame 302 to compress at the bottom of the fixed frame 2, so that the resilience force of the buffer springs 306 is damped and buffered, the internal structure is protected better, and the shock resistance of the generator position is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The elastic supporting structure of the wind power tower is characterized by comprising a base (1), wherein a fixed frame (2) is fixedly arranged at the top of the base (1) through bolts, a buffer mechanism (3) is arranged in the opening of the top of the base (1), a wind turbine generator set (4) is arranged above the base (1), the base (1) is connected with the wind turbine generator set (4) through the buffer mechanism (3), and a fixed column (6) is fixedly arranged at the center of the inner bottom wall of the base (1);

Buffer gear (3) include mount pad (301), the inside mount pad (301) that is equipped with of base (1), the outside fixed mounting of mount pad (301) has spacing frame (302), the top fixed mounting of spacing frame (302) has a plurality of spacing posts (303), buffer hole (305) have been seted up at the bottom center of mount pad (301), fixed column (6) are located buffer hole (305), equal fixed mounting has dead lever (307) all around the bottom of mount pad (301), four the outer wall of dead lever (307) all rotates and is connected with rotation board (309), the bottom fixed mounting of rotation board (309) has spliced pole (310), the outer wall rotation of spliced pole (310) is connected with two rotation wheels (311) and is located the both sides of rotation board (309) respectively.

2. Wind power tower elastic support structure according to claim 1, characterized in that the outer wall of the limit post (303) is movably sleeved with a support spring (304), and the top end of the support spring (304) is attached to the bottom of the limit frame (302).

3. Wind power tower elastic support structure according to claim 1, characterized in that the outer wall of the fixed column (6) is movably sleeved with a buffer spring (306), the top of the buffer spring (306) is attached to the inner top wall of the mounting seat (301), and the top of the buffer spring (306) is higher than the top of the fixed column (6).

4. Wind power tower elastic support structure according to claim 1, characterized in that the bottom circumference of the mounting base (301) is provided with a rotation groove (308) for the rotation of the rotation plate (309).

5. Wind power tower elastic support structure according to claim 1, characterized in that the inner bottom wall of the base (1) is provided with four sliding grooves (5), and the corresponding two rolling wheels (311) are respectively connected with the corresponding sliding grooves (5) in a sliding manner.

6. A wind power tower elastic support structure according to claim 3, characterized in that the top of the mounting base (301) is not lower than the top of the fixed frame (2) when the buffer spring (306) supports the mounting base (301).