CN219242102U

CN219242102U - Tower section of thick bamboo base fixing device

Info

Publication number: CN219242102U
Application number: CN202320669681.5U
Authority: CN
Inventors: 杨波; 张昊; 王文; 赵宇飞; 张强; 赵靖; 张磊; 张远志; 张瑞红
Original assignee: Damao Qi Fulei New Energy Co ltd
Current assignee: Damao Qi Fulei New Energy Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-06-23
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a tower barrel base fixing device which comprises a fixing assembly, wherein the fixing assembly comprises a fixing sleeve, a first foundation bolt, four fixing blocks, a damping sleeve, a second foundation bolt, a reinforcing rib, six damping pads, a supporting spring, a damper, two damping blocks, an arc limiting plate, a tower barrel body and a connecting flange; the reinforcing ribs are equidistantly welded on the outer side wall of the fixing sleeve. According to the utility model, the vibration force transmitted by the tower body is primarily absorbed through the damping sleeve so as to avoid loosening of the foundation bolts, the stability of the connecting flange and the fixing sleeve can be enhanced through the first foundation bolts and the second foundation bolts, the vibration force can be further absorbed through the damping pad, the vibration force can be absorbed again through the displacement of the damper, the purpose of damping the tower body is achieved, and the stability of the tower body can be enhanced through damping the tower body.

Description

Tower section of thick bamboo base fixing device

Technical field:

the utility model relates to a device, in particular to a tower base fixing device, and belongs to the technical field of wind power generation.

The background technology is as follows:

wind power generation is to convert kinetic energy of wind into electric energy, and generally uses a wind power generator to complete power generation. The wind power tower is a tower pole of wind power generation, mainly plays a supporting role in a wind power generator set, absorbs set vibration at the same time, the bottommost foundation of the wind power generation tower is firm, and the wind power generation tower needs to be fixed inside the foundation through a fixing device.

At present, a tower barrel is generally fixed in a base cast by concrete, in the installation process, foundation bolts are often adopted to fix the tower barrel, however, when a wind motor is in operation, as main components of the wind motor are all positioned in a tower top cabin, vibration generated during operation is extremely large and high in vibration frequency, vibration force can be transmitted into the base along the tower barrel, and further the foundation bolts can be loosened, and the condition that the tower barrel inclines or collapses is caused.

The utility model comprises the following steps:

the present utility model is directed to a tower base fixing device, which solves one of the problems set forth in the above-mentioned background art.

The utility model is implemented by the following technical scheme: the fixing assembly comprises a fixing sleeve, a first foundation bolt, four fixing blocks, a damping sleeve, a second foundation bolt, a reinforcing rib, six damping pads, a supporting spring, a damper, two damping blocks, an arc limiting plate, a tower body and a connecting flange;

the strengthening rib equidistance welding is in fixed sleeve's lateral wall, first rag bolt equidistance threaded connection is in flange's inside, four fixed block symmetry welding is in flange's lower surface, second rag bolt threaded connection is in the inside of fixed block, the inside wall laminating of shock attenuation cover is in the lateral wall of tower section of thick bamboo body, two shock attenuation block symmetry fixed connection is in the lateral wall of arc limiting plate, the one end of attenuator articulates in the lateral wall of arc limiting plate, supporting spring cup joints in the lateral wall of attenuator, shock pad fixed connection is in the inside wall of arc limiting plate.

As a further preferred aspect of the present utility model: six one side symmetry laminating that arc limiting plate was kept away from to the shock pad is in the lateral wall of tower section of thick bamboo body, the lateral wall fixed connection of shock attenuation cover is in fixed sleeve's inside wall.

As a further preferred aspect of the present utility model: the lower surface of the fixed sleeve is welded on the upper surface of the connecting flange, and the lower surface of the reinforcing rib is welded on the upper surface of the connecting flange.

As a further preferred aspect of the present utility model: the lower surface of the connecting flange is provided with a limiting assembly, and the limiting assembly comprises a concrete base, a mounting groove, four limiting grooves, a sliding groove and six mounting holes;

the connecting flange is fixedly connected with the concrete base through a first foundation bolt, and the mounting groove is formed in the upper surface of the concrete base.

As a further preferred aspect of the present utility model: four spacing groove symmetry is seted up on the inside wall upper portion of mounting groove, the spout is seted up in the inside wall lower part of mounting groove, six the mounting hole symmetry is seted up in the inside wall of spout.

As a further preferred aspect of the present utility model: the lateral wall laminating of tower section of thick bamboo body is in the inside wall of mounting groove, the lateral wall laminating of fixed block is in the inside wall of spacing groove, one side that arc limiting plate was kept away from to the snubber block is laminated in the inside wall of spout.

As a further preferred aspect of the present utility model: the arc limiting plate sliding connection is in the inside wall of spout, the one end fixed connection that arc limiting plate was kept away from to the attenuator is in the inside wall of mounting hole, the one end fixed connection of supporting spring is in the lateral wall of arc limiting plate, the other end fixed connection of supporting spring is in the inside wall of mounting hole.

As a further preferred aspect of the present utility model: one end of the second foundation bolt, which is far away from the fixed block, penetrates through the outer side wall of the concrete base and is in threaded connection with the concrete base.

The utility model has the advantages that: according to the utility model, the vibration force transmitted by the tower body is primarily absorbed through the damping sleeve, so that the tower body can be prevented from driving the fixing sleeve and the connecting flange to vibrate, the loosening of the foundation bolts is avoided, the stability of the connecting flange and the fixing sleeve can be enhanced through the first foundation bolts and the second foundation bolts, the vibration force can be further absorbed through the damping pad, then the vibration force is transmitted to the arc-shaped limiting plate, the vibration force can be absorbed again through the displacement of the damper, the purpose of damping the tower body is achieved, and the stability of the tower body can be enhanced through damping the tower body.

Description of the drawings:

in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic view of a fixing assembly according to the present utility model;

FIG. 3 is a schematic view of an arc-shaped limiting plate structure according to the present utility model;

fig. 4 is a schematic structural diagram of a limiting component according to the present utility model.

In the figure: 101. a fixing assembly; 11. a fixed sleeve; 12. a first anchor bolt; 13. a fixed block; 14. a damping sleeve; 15. a second anchor bolt; 16. reinforcing ribs; 17. a shock pad; 18. a support spring; 19. a damper; 20. a damper block; 21. an arc limiting plate; 22. a tower body; 23. a connecting flange; 301. a limit component; 31. a concrete base; 32. a mounting groove; 33. a limit groove; 34. a chute; 35. and (5) mounting holes.

The specific embodiment is as follows:

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

Referring to fig. 1-4, the present utility model provides a technical solution: the fixing device for the tower base comprises a fixing assembly 101, wherein the fixing assembly 101 comprises a fixing sleeve 11, a first foundation bolt 12, four fixing blocks 13, a damping sleeve 14, a second foundation bolt 15, a reinforcing rib 16, six damping cushions 17, a supporting spring 18, a damper 19, two damping blocks 20, an arc limiting plate 21, a tower body 22 and a connecting flange 23;

the strengthening rib 16 equidistance welding is in the lateral wall of fixed sleeve 11, first rag bolt 12 equidistance threaded connection is in flange 23's inside, four fixed blocks 13 symmetry welding is in flange 23's lower surface, second rag bolt 15 threaded connection is in the inside of fixed block 13, the inside wall laminating of damping sleeve 14 is in the lateral wall of tower section of thick bamboo body 22, two damping blocks 20 symmetry fixed connection are in the lateral wall of arc limiting plate 21, the one end of attenuator 19 articulates in the lateral wall of arc limiting plate 21, supporting spring 18 cup joints in the lateral wall of attenuator 19, damping pad 17 fixed connection is in the inside wall of arc limiting plate 21.

In this embodiment, specific: the outer side wall of six shock pads 17 keep away from arc limiting plate 21 is symmetrical laminating in the lateral wall of tower section of thick bamboo body 22, and the lateral wall fixed connection of damping sleeve 14 is in the inside wall of fixed sleeve 11, and when tower section of thick bamboo body 22 vibration, damping sleeve 14 can absorb the vibration force in the tower section of thick bamboo body 22, and then can avoid tower section of thick bamboo body 22 to drive fixed sleeve 11 and flange 23 vibration and appear the not hard up condition of rag bolt.

In this embodiment, specific: the lower surface of the fixing sleeve 11 is welded on the upper surface of the connecting flange 23, the lower surface of the reinforcing rib 16 is welded on the upper surface of the connecting flange 23, the rigidity of the fixing sleeve 11 can be enhanced through the reinforcing rib 16, and the supporting performance of the tower body 22 is improved.

In this embodiment, specific: the lower surface of the connecting flange 23 is provided with a limiting assembly 301, and the limiting assembly 301 comprises a concrete base 31, a mounting groove 32, four limiting grooves 33, a sliding groove 34 and six mounting holes 35;

the connecting flange 23 is fixedly connected with the concrete base 31 through the first foundation bolts 12, the mounting groove 32 is formed in the upper surface of the concrete base 31, and the connecting flange 23 can be fixedly connected with the concrete base 31 through the first foundation bolts 12, so that the position of the fixing sleeve 11 is limited.

In this embodiment, specific: four spacing groove 33 symmetry are seted up on the inside wall upper portion of mounting groove 32, spout 34 is seted up in the inside wall lower part of mounting groove 32, six mounting holes 35 symmetry are seted up in the inside wall of spout 34, the lateral wall laminating of tower section of thick bamboo body 22 is in the inside wall of mounting groove 32, the lateral wall laminating of fixed block 13 is in the inside wall of spacing groove 33, one side that arc limiting plate 21 was kept away from to snubber block 20 is laminated in the inside wall of spout 34, the one end that fixed block 13 was kept away from to second rag bolt 15 runs through the lateral wall of concrete base 31 and with concrete base 31 threaded connection, and then can inject fixed block 13 into concrete base 31 through spacing groove 33, can strengthen the stability of flange 23, simultaneously, the position of fixed block 13 is inject through second rag bolt 15, can further inject the position of flange 23.

In this embodiment, specific: the arc limiting plate 21 sliding connection is in the inside wall of spout 34, the one end fixed connection that arc limiting plate 21 was kept away from to the attenuator 19 is in the inside wall of mounting hole 35, the one end fixed connection of supporting spring 18 is in the outside wall of arc limiting plate 21, the other end fixed connection of supporting spring 18 is in the inside wall of mounting hole 35, when tower section of thick bamboo body 22 takes place the vibration, tower section of thick bamboo body 22 transmits vibration force to shock pad 17, can carry out preliminary absorption to vibration force through shock pad 17, then transmit vibration force to arc limiting plate 21, arc limiting plate 21 promotes attenuator 19, can absorb vibration force again through the displacement of attenuator 19, and can make attenuator 19 reset through supporting spring 18, and then reach the effect to tower section of thick bamboo body 22 damping.

When the wind power generation device is used, the wind power generation device generates vibration, vibration force is transmitted to the tower barrel body 22 from the cabin, the tower barrel body 22 transmits the vibration force to the bottom, the vibration force in the tower barrel body 22 can be primarily absorbed through the damping sleeve 14, further, the tower barrel body 22 can be prevented from driving the fixing sleeve 11 and the connecting flange 23 to vibrate, the loosening condition of the foundation bolts is avoided, the stability of the connecting flange 23 and the fixing sleeve 11 can be enhanced through the first foundation bolts 12 and the second foundation bolts 15, the damping sleeve 14 can be attached to the tower barrel body 22, meanwhile, the tower barrel body 22 transmits the vibration force to the damping pad 17, the vibration force can be further absorbed through the damping pad 17, then the vibration force is transmitted to the arc limiting plate 21, the arc limiting plate 21 can absorb the vibration force again through the damping block 20, the damper 19 can be reset through the supporting spring 18, and the purpose of enhancing the stability of the tower barrel body 22 can be achieved through the tower barrel body 22.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The fixing device for the tower base is characterized by comprising a fixing assembly (101), wherein the fixing assembly (101) comprises a fixing sleeve (11), a first foundation bolt (12), four fixing blocks (13), a damping sleeve (14), a second foundation bolt (15), reinforcing ribs (16), six damping pads (17), a supporting spring (18), a damper (19), two damping blocks (20), an arc limiting plate (21), a tower body (22) and a connecting flange (23);

the utility model provides a damping device for a wind turbine, includes fixed sleeve (11) and is characterized by comprising reinforcing rib (16), first rag bolt (12) equidistance threaded connection in the lateral wall of fixed sleeve (11), inside flange (23), four fixed block (13) symmetry welding in the lower surface of flange (23), second rag bolt (15) threaded connection in the inside of fixed block (13), the inside wall laminating of damping sleeve (14) is in the lateral wall of tower body (22), two damping block (20) symmetry fixed connection in the lateral wall of arc limiting plate (21), the one end of attenuator (19) articulates in the lateral wall of arc limiting plate (21), supporting spring (18) cup joint in the lateral wall of attenuator (19), the inside wall of shock pad (17) fixed connection in arc limiting plate (21).

2. The tower base fixing device according to claim 1, wherein six shock pads (17) are symmetrically attached to the outer side wall of the tower body (22) on one side far away from the arc limiting plate (21), and the outer side wall of the shock absorbing sleeve (14) is fixedly connected to the inner side wall of the fixing sleeve (11).

3. A tower foundation fixing device according to claim 2, wherein the lower surface of said fixing sleeve (11) is welded to the upper surface of the connecting flange (23), and the lower surface of said reinforcing rib (16) is welded to the upper surface of the connecting flange (23).

4. A tower foundation fixing device according to claim 3, wherein a limit component (301) is mounted on the lower surface of the connecting flange (23), and the limit component (301) comprises a concrete foundation (31), a mounting groove (32), four limit grooves (33), a sliding groove (34) and six mounting holes (35);

the connecting flange (23) is fixedly connected with the concrete base (31) through the first foundation bolt (12), and the mounting groove (32) is formed in the upper surface of the concrete base (31).

5. The tower base fixing device according to claim 4, wherein four limit grooves (33) are symmetrically arranged on the upper portion of the inner side wall of the installation groove (32), the sliding groove (34) is arranged on the lower portion of the inner side wall of the installation groove (32), and six installation holes (35) are symmetrically arranged on the inner side wall of the sliding groove (34).

6. The tower base fixing device according to claim 2, wherein the outer side wall of the tower body (22) is attached to the inner side wall of the mounting groove (32), the outer side wall of the fixing block (13) is attached to the inner side wall of the limiting groove (33), and one side, away from the arc-shaped limiting plate (21), of the damping block (20) is attached to the inner side wall of the sliding groove (34).

7. The tower base fixing device according to claim 6, wherein the arc limiting plate (21) is slidably connected to the inner side wall of the chute (34), one end of the damper (19) away from the arc limiting plate (21) is fixedly connected to the inner side wall of the mounting hole (35), one end of the supporting spring (18) is fixedly connected to the outer side wall of the arc limiting plate (21), and the other end of the supporting spring (18) is fixedly connected to the inner side wall of the mounting hole (35).

8. A tower foundation fixing device according to claim 1, wherein the end of the second anchor bolt (15) remote from the fixing block (13) penetrates the outer side wall of the concrete foundation (31) and is in threaded connection with the concrete foundation (31).