CN217462427U

CN217462427U - Novel liquid damping device suitable for flexible tower drum of wind generating set

Info

Publication number: CN217462427U
Application number: CN202221565994.8U
Authority: CN
Inventors: 孙仲泽; 马武福; 李源; 曾志; 张冲; 曹国豪; 朱黎明; 蔡军喜; 万雄斌; 翟乾俊; 兰成坤; 魏孔振
Original assignee: Dongfang Electric Wind Power Co Ltd
Current assignee: Dongfang Electric Wind Power Co Ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-20
Anticipated expiration: 2032-06-22

Abstract

The utility model belongs to the technical field of wind generating set tower section of thick bamboo damping, in particular to novel liquid damping device suitable for flexible tower section of thick bamboo of wind generating set. The technical scheme is as follows: the utility model provides a novel liquid damping device suitable for flexible tower section of thick bamboo of wind generating set, is connected with the attenuator including connecting the support component in the tower section of thick bamboo of fan on the support component, and the attenuator includes the attenuator frame, installs a plurality of water tanks in the attenuator frame, and the shape of water tank is hexagonal prism shape, is equipped with damping liquid in the water tank. The utility model provides a be applicable to novel liquid damping device of a wind generating set flexible tower section of thick bamboo.

Description

Novel liquid damping device suitable for flexible tower drum of wind generating set

Technical Field

The utility model belongs to the technical field of wind generating set tower section of thick bamboo damping, in particular to novel liquid damping device suitable for flexible tower section of thick bamboo of wind generating set.

Background

With the rapid development of the wind power industry, in the technical field of wind power, in order to achieve the purpose of increasing the utilization hours of a fan and obtain better wind resources, a tower heightening mode is generally adopted at present. However, for conventional towers, the increased height results in high tower costs and thus low economics. Therefore, the flexible tower is adopted to replace the traditional tower, the frequency of the flexible tower is continuously reduced along with the increase of the height of the flexible tower, and the problem of tower vibration is highlighted by the condition. In order to ensure the stability of the tower, a novel damping device suitable for the flexible tower of the wind generating set needs to be developed to suppress the vibration of the tower.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a novel liquid damping device suitable for a flexible tower section of thick bamboo of wind generating set.

The utility model discloses the technical scheme who adopts does:

the utility model provides a novel liquid damping device suitable for flexible tower section of thick bamboo of wind generating set, is connected with the attenuator including connecting the support component in the tower section of thick bamboo of fan on the support component, and the attenuator includes the attenuator frame, installs a plurality of water tanks in the attenuator frame, and the shape of water tank is hexagonal prism shape, is equipped with damping liquid in the water tank.

The utility model discloses a close to tower section of thick bamboo internal platform is installed to integral hoisting's mode, and during a tower section of thick bamboo vibration, the effect of restraining the vibration of pylon is played in the dynamic load that the damping fluid in the water tank was backward rocked, finally reduces the vibration range of pylon. Adopt the utility model provides a novel damping device of flexible tower section of thick bamboo, the effectual vibration that suppresses the pylon has guaranteed wind turbine generator system's steady operation, has produced certain economic benefits.

The water tank adopts a hexagonal prism structure, so that gapless stacking installation is facilitated, and a larger damper assembly can be formed. And, hexagonal prism shape's water tank can prevent that damping fluid from producing the swirl when backward rocking.

As the utility model discloses a preferred scheme, the attenuator frame includes top frame and underframe, is connected with a plurality of stands between top frame and the underframe, and the water tank is connected between top frame and underframe, and the underframe is connected on the support component. The damper frame can be used for installing a plurality of water tanks, and the water tanks are guaranteed to be reliably connected.

As a preferred embodiment of the present invention, the bottom frame is connected with a support beam. The supporting beam can support the water tank, so that the water tank can be reliably installed by pressing the water tank from the upper part and the side surface of the supporting beam.

As the utility model discloses a preferred scheme, the supporting component includes the supporting component main part, is provided with the mounted position that a plurality of is used for connecting the attenuator in the supporting component main part, and the both ends of supporting component main part all are connected with the adapting unit that is used for with the tower section of thick bamboo internal connection of fan. The connecting part is connected into the tower drum of the fan, so that when the tower drum vibrates, dynamic load of damping liquid in the water tank swinging reversely plays a role in inhibiting vibration of the tower frame. The support component main body supports the dampers, and stability of the dampers is guaranteed.

As the utility model discloses a preferred scheme, the attenuator still includes compresses tightly the part, the side direction compresses tightly the part, the part is placed to the bottom and the upper cover plate part, on compress tightly the part and the side direction compress tightly the part all with attenuator frame attach, the bottom place the part set up in the attenuator, the water tank compresses tightly on compress tightly between the part is placed to the part, the bottom and the side direction compresses tightly the part. Go up compressing tightly part and side direction compressing tightly part and compress tightly the water tank respectively to the water tank is fixed for the attenuator frame, avoids the water tank not hard up.

As the utility model discloses an optimal scheme, on compress tightly the part and include a plurality of clamp plates, the clamp plate compresses tightly in the water tank upside, and the both ends of clamp plate all are connected with presses the seat, presses seat and attenuator frame attach. After the two ends of the pressing plate are connected with the damper frame through the pressing seats, the upper part of the water tank is pressed tightly by the pressing plate.

As the utility model discloses a preferred scheme, the side direction compresses tightly the part and includes a plurality of locating pieces, and the locating piece compresses tightly in the water tank side, is connected with adjusting bolt between locating piece and the attenuator frame. The distance between the positioning block and the side face of the water tank can be adjusted by screwing the adjusting bolt, so that the side face of the water tank can be pressed by screwing the adjusting bolt.

As the utility model discloses a preferred scheme, the bottom is placed the part and is placed in the attenuator frame including the bottom plate that is used for carrying out the support to the bottom of water tank, the bottom plate, is provided with the bounding wall around the bottom plate. The bottom plate supports the water tank so that the water tank does not move downward when the upper pressing member presses the water tank from the upper side. The bounding wall can block a plurality of water tanks, avoids the water tank not hard up or deviate from the attenuator frame.

As a preferable embodiment of the present invention, the bottom plate has a triangular shape with a partially passivated sharp corner. Because the shape of water tank is hexagonal prism shape, the shape after the several water tanks amalgamation is the triangle-shaped that the closed angle portion was passivated, then the shape is that the closed angle portion is passivated bottom plate just carries out reliable support to a plurality of water tanks, and the bounding wall carries out accurate spacing to the periphery of a plurality of water tanks.

As a preferred embodiment of the present invention, the damper further includes an upper cover plate member connected to an upper side of the damper frame. The upper cover plate component protects the damper and avoids the damage of sharp objects to the internal structure of the damper.

The utility model has the advantages that:

the utility model discloses a dynamic loading that damping fluid in the water tank was reverse rocked plays the effect of the vibration of suppression pylon, finally reduces the vibration range of pylon. Adopt the utility model provides a novel damping device of flexible tower section of thick bamboo, the effectual vibration that suppresses the pylon has guaranteed wind turbine generator system's steady operation, has produced certain economic benefits. The water tank adopts a hexagonal prism structure, so that gapless stacking installation is facilitated, and a larger damper assembly can be formed. And the hexagonal prism-shaped water tank can prevent the damping liquid from generating vortex when reversely shaking.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an isometric view of the support member;

FIG. 3 is an assembled isometric view of the damper;

FIG. 4 is an isometric view of the upper compression member;

FIG. 5 is an isometric view of a lateral hold-down member;

FIG. 6 is an isometric view of the bottom placement member;

FIG. 7 is an isometric view of an upper cover member;

FIG. 8 is an isometric view of the water tank;

FIG. 9 is an isometric view of the damper frame;

FIG. 10 is an isometric view of the top frame;

figure 11 is an isometric view of the base frame;

fig. 12 is an isometric view of a post.

In the figure: 100-a support member; 200-a damper; 300-connecting fasteners; 110-a connecting member; 120-a support member body; 130-support attachment fasteners; 140-connection hole sites; 210-an upper hold down member; 220-lateral compression member; 230-bottom placement member; 240-upper cover plate member; 250-a water tank; 260-a damper frame; 211-pressing plate one; 212-platen two; 213-pressing plate III; 214-pressing seat one; 215-pressing seat two; 216-pressing seat three; 217-pressing seat four; 221-positioning block one; 222-positioning block II; 223-adjusting the bolt; 261-top frame; 262-bottom frame; 263-column one; 264-column two; 265-column fastener.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in fig. 1 and fig. 3, the novel liquid damping device suitable for the flexible tower of the wind generating set of the present embodiment includes a support component 100 connected in a tower of a wind turbine, the support component 100 is connected with a damper 200, the damper 200 includes a damper frame 260, a plurality of water tanks 250 are installed in the damper frame 260, the water tanks 250 are hexagonal prisms, and damping liquid is filled in the water tanks 250. The damper 200 and the support member 100 are connected by the connection fastener 300, but the connection fastener 300 is not limited thereto, and may be fixed by welding or the like.

The damper 200 further includes an upper compressing part 210, a lateral compressing part 220, a bottom placing part 230, and an upper cover part 240, the upper compressing part 210 and the lateral compressing part 220 are connected with a damper frame 260, the bottom placing part 230 is disposed in the damper 200, and the water tank 250 is compressed between the upper compressing part 210, the bottom placing part 230, and the lateral compressing part 220. The upper and lateral pressing

members

210 and 220 press the water tank 250, respectively, so that the water tank 250 is fixed with respect to the damper frame 260 to prevent the water tank 250 from being loosened.

The utility model discloses a close to tower section of thick bamboo inner platform is installed to integral hoisting's mode, and during a tower section of thick bamboo vibration, the dynamic loading that damping liquid in the water tank 250 was reverse rocked plays the effect of the vibration that restraines the pylon, finally reduces the vibration range of pylon. Adopt the utility model provides a novel damping device of flexible tower section of thick bamboo, the effectual vibration that suppresses the pylon has guaranteed wind turbine generator system's steady operation, has produced certain economic benefits.

The water tank 250 is in a hexagonal prism structure, so that the water tank can be conveniently stacked and installed without gaps, and a larger damper 200 assembly can be formed. Also, the hexagonal prism-shaped water tank 250 can prevent the damping fluid from generating a vortex when it is shaken reversely.

Specifically, as shown in fig. 2, the support member 100 includes a support member main body 120, a plurality of mounting positions for connecting the damper 200 are provided on the support member main body 120, and the connecting member 110 for connecting with the inside of the tower of the wind turbine is connected to both ends of the support member main body 120. The connecting member 110 is connected to the tower of the wind turbine, so that when the tower vibrates, the dynamic load of the damping fluid in the water tank 250 swinging in the reverse direction has an effect of suppressing the vibration of the tower. The support member body 120 supports the dampers 200, ensuring stability of the plurality of dampers 200.

The support member 100 is mainly used for placing the damper 200, but is not limited to the above shape, and a placement platform having other shapes may be adopted to satisfy the structure for placing the damper 200. An alternative configuration is employed in this example in which the support member body 120 and the connecting member 110 are connected via the support connecting fastener 130, and the connecting hole site 140 is provided for connecting the damper 200.

Specifically, as shown in fig. 3, 8 and 9, the damper frame 260 includes a top frame 261 and a bottom frame 262, a plurality of vertical columns are connected between the top frame 261 and the bottom frame 262, the water tank 250 is connected between the top frame 261 and the bottom frame 262, and the bottom frame 262 is connected to the support member 100. The damper frame 260 may be used to mount a plurality of water tanks 250, ensuring that the water tanks 250 are securely connected. The water tank 250 is mainly shaped like a hexagonal prism and mainly serves to store damping fluid. The connection mode of the upright post and the bottom frame 262 or the top frame 261 is bolt connection through an upright post fastener 265, but is not limited to bolt connection, and can also be directly welded.

As shown in fig. 10, the top frame 261 has a triangular shape in its main profile in order to ensure its stability while dulling the sharp corner portions to improve safety. The inside welding of top frame 261 has the roof supporting shoe, has the mounting hole on the roof supporting shoe, and this supporting shoe is used for placing the roof and its is fixed. A plurality of small bosses are welded on the top frame 261 for arranging the mounting holes. A plurality of mounting holes are formed on the top frame 261 for coupling the stationary support member 100, and also for coupling with the damper 200.

As shown in fig. 11, the bottom frame 262 has a triangular shape in order to ensure stability thereof while dulling the sharp corner portions to improve safety. A support beam is welded in the middle of the bottom frame 262 for placing a bottom plate. A plurality of small bosses are welded to the bottom frame 262 for arranging the mounting holes. A plurality of mounting holes are formed in the bottom frame 262 for coupling the fixed support member 100 and the damper 200.

As shown in fig. 12, a first upright 263 and a second upright 264 are necessary structures, and are mainly formed by welding an angle beam and a flat plate. The first upright 263 and the second upright 264 are provided with mounting holes for connecting the bottom frame 262 and the top frame 261. The first upright 263 and the second upright 264 are also provided with mounting holes for connecting the adjusting bolts 223.

Specifically, as shown in fig. 3 and 4, the upper pressing part 210 includes a plurality of pressing plates, the pressing plates are pressed against the upper side of the water tank 250, pressing seats are connected to both ends of the pressing plates, and the pressing seats are connected to the damper frame 260. After both ends of the pressing plate are connected to the damper frame 260 through the pressing seats, the pressing plate presses the upper portion of the water tank 250.

The upper pressing part 210 is a necessary structure and mainly comprises a first pressing plate 211, a second pressing plate 212, a third pressing plate 213, a first pressing base 214, a second pressing base 215, a third pressing base 216, a fourth pressing base 217 and fasteners, and all the parts are connected through the fasteners and then connected with the upright posts.

The main shapes of the first pressing plate 211, the second pressing plate 212 and the third pressing plate 213 are bending pieces, the bending pieces are used for fixing the water tank 250, the water tank 250 is guaranteed to be limited at the vertical plane position of the space position, namely, the vertical space position has no obvious displacement, and mounting holes are formed in the first pressing plate 211, the second pressing plate 212 and the third pressing plate 213 and used for connecting the pressing seats.

The main shapes of the first pressing seat 214, the second pressing seat 215, the third pressing seat 216 and the fourth pressing seat 217 are bending pieces which are used for fixing the first pressing plate 211, the second pressing plate 212 and the third pressing plate 213 to ensure that the first pressing plate, the second pressing plate and the third pressing plate are limited at the vertical plane position of the space position, namely, no obvious displacement exists at the vertical space position. The pressing seat is provided with a mounting hole for connecting with the upright post. The first pressing plate 211 is connected with the first pressing base 214 and the second pressing base 215 through fasteners and then connected with the upright post. The second pressing plate 212 is connected with the first pressing seat 214 and the second pressing seat 215 through fasteners and then connected with the stand column. The third pressing plate 213 is connected with the third pressing seat 216 and the fourth pressing seat 217 through fasteners and then connected with the upright post.

Specifically, as shown in fig. 5, the lateral pressing part 220 includes a plurality of positioning blocks, the positioning blocks are pressed against the side surface of the water tank 250, and an adjusting bolt 223 is connected between the positioning blocks and the damper frame 260. By screwing the adjusting bolt 223, the distance between the positioning block with respect to the side of the water tank 250 can be adjusted, so that the positioning block can press the side of the water tank 250 by screwing the adjusting bolt 223.

The lateral pressing component 220 is an essential structure, and mainly includes a first positioning block 221, a second positioning block 222, and an adjusting screw, and the spatial positions of the first positioning block 221 and the second positioning block 222 are adjusted by an adjusting screw 223, so that the lateral pressing component can be in a spatial horizontal plane. The main shapes of the first positioning block 221 and the second positioning block 222 are bending pieces, two fixing columns are welded on the bending pieces, the fixing columns are used for providing mounting holes for the adjusting bolts 223, and the other ends of the adjusting bolts 223 are in threaded connection with the upright columns.

As shown in fig. 6, the bottom placement member 230 includes a bottom plate for supporting the bottom of the water tank 250, the bottom plate being placed in the damper frame 260, and a surrounding plate being provided around the bottom plate. The bottom plate supports the water tank 250 so that the water tank 250 does not move downward when the upper pressing part 210 presses the water tank 250 from the upper side. The shroud can block the plurality of water tanks 250 to prevent the water tanks 250 from loosening or falling out of the damper frame 260.

The bottom plate is in a triangular shape with sharp corners being partially passivated. Because the water tanks 250 are hexagonal prisms, the shapes of the spliced water tanks 250 are triangles with passivated sharp corners, the bottom plates with passivated sharp corners can support the water tanks 250 reliably, and the surrounding plates can accurately limit the peripheries of the water tanks 250.

As shown in fig. 7, the damper 200 further includes an upper cover part 240, and the upper cover part 240 is coupled to an upper side of the damper frame 260. The upper cover 240 protects the damper 200 from damage caused by sharp objects to the internal structure of the damper 200.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. The utility model provides a be applicable to novel liquid damping device of wind generating set flexible tower section of thick bamboo which characterized in that: the wind power generation device comprises a supporting part (100) connected into a tower cylinder of a fan, wherein a damper (200) is connected onto the supporting part (100), the damper (200) comprises a damper frame (260), a plurality of water tanks (250) are installed in the damper frame (260), the water tanks (250) are hexagonal, and damping liquid is filled in the water tanks (250).

2. The novel liquid damping device suitable for the flexible tower of the wind generating set according to claim 1, characterized in that: the damper frame (260) comprises a top frame (261) and a bottom frame (262), a plurality of upright posts are connected between the top frame (261) and the bottom frame (262), the water tank (250) is connected between the top frame (261) and the bottom frame (262), and the bottom frame (262) is connected to the supporting component (100).

3. The novel liquid damping device suitable for the flexible tower of the wind generating set according to claim 2, characterized in that: the bottom frame (262) is connected with a supporting beam.

4. The novel liquid damping device suitable for a flexible tower of a wind generating set of claim 1, characterized in that: the supporting component (100) comprises a supporting component main body (120), a plurality of mounting positions for connecting the damper (200) are arranged on the supporting component main body (120), and connecting components (110) used for being connected with the interior of a tower of a fan are connected to two ends of the supporting component main body (120).

5. The novel liquid damping device suitable for the flexible tower of the wind generating set according to claim 1, characterized in that: the damper (200) further comprises an upper pressing part (210), a lateral pressing part (220), a bottom placing part (230) and an upper cover plate part (240), wherein the upper pressing part (210) and the lateral pressing part (220) are connected with a damper frame (260), the bottom placing part (230) is arranged in the damper (200), and the water tank (250) is pressed among the upper pressing part (210), the bottom placing part (230) and the lateral pressing part (220).

6. The novel liquid damping device suitable for the flexible tower of the wind generating set according to claim 5, characterized in that: the upper pressing part (210) comprises a plurality of pressing plates, the pressing plates are pressed on the upper side of the water tank (250), pressing seats are connected to two ends of each pressing plate, and the pressing seats are connected with the damper frame (260).

7. The novel liquid damping device suitable for the flexible tower of the wind generating set according to claim 5, characterized in that: the lateral pressing part (220) comprises a plurality of positioning blocks, the positioning blocks are pressed on the side face of the water tank (250), and adjusting bolts (223) are connected between the positioning blocks and the damper frame (260).

8. The novel liquid damping device suitable for the flexible tower of the wind generating set according to claim 5, characterized in that: the bottom placing part (230) comprises a bottom plate for supporting the bottom of the water tank (250), the bottom plate is placed in the damper frame (260), and surrounding plates are arranged around the bottom plate.

9. The novel liquid damping device suitable for a flexible tower of a wind generating set of claim 8, characterized in that: the bottom plate is in a triangular shape with sharp corners being partially passivated.

10. The novel liquid damping device suitable for the flexible tower cylinder of the wind generating set according to any one of claims 1 to 9, characterized in that: the damper (200) further includes an upper cover part (240), and the upper cover part (240) is coupled to an upper side of the damper frame (260).