CN216922358U

CN216922358U - Damper suitable for on fan tower section of thick bamboo

Info

Publication number: CN216922358U
Application number: CN202123344676.7U
Authority: CN
Inventors: 孟凡忠; 申锐; 丁健; 郭世震; 郭嘉龙
Original assignee: Hebei Electric Power Equipment Co ltd
Current assignee: Hebei Electric Power Equipment Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-08
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a damping mechanism suitable for a fan tower cylinder, which comprises an iron frame, wherein a sleeve is arranged on the right side of the iron frame, an opening is formed in the right side of the sleeve, a fixed rod is fixedly connected to the inner wall of the left side of the sleeve, the right end of the fixed rod extends to the outside and is fixedly connected with a fan body, two annular plates are symmetrically arranged in the sleeve, the two annular plates form a circular ring and surround the outer side of the fixed rod, and one sides of the two annular plates, far away from the fixed rod, are elastically connected with the inner wall of the sleeve through a plurality of damping springs. This structural mounting utilizes two annular plates and damping spring to reduce the range and the frequency of fan body vibration between fan body and iron stand, and through the setting of rubber pad and rectangle box, transmits the energy on the iron stand when further reducing the fan body vibration, ensures the stability of iron stand.

Description

Damper suitable for on fan tower section of thick bamboo

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a damping mechanism suitable for a fan tower cylinder.

Background

Wind power tower cylinder is exactly wind power generation's tower pole, mainly plays the supporting role in wind generating set, absorbs the unit vibrations simultaneously, installs the fan in wind power tower cylinder's one side usually, utilizes the drive of wind-force to make fan body work produce the electric energy, nevertheless current fan tower cylinder still has following problem when using:

although the existing fan tower barrel can absorb the vibration of a part of units, the fan is usually positioned in the high air, the wind power in the high air can generate different changes along with the time, so that the fan can be influenced by uneven wind power in the high air, the vibration with different frequencies can be generated, the vibration can influence the stability of the high air to the fan during operation, and meanwhile, the vibration can be transmitted to an iron frame due to the fact that the fan and the tower barrel are fixed through bolts, so that the condition that the bolts at the joint of the iron frame are loosened is caused, and therefore, how to reasonably solve the problem is needed to be considered.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a damping mechanism suitable for a fan tower cylinder.

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

the utility model provides a damper suitable for on fan tower section of thick bamboo, includes the iron stand, the right side of iron stand is equipped with the sleeve, telescopic right side is equipped with the opening, telescopic left side inner wall fixedly connected with dead lever, the right-hand member of dead lever extends to external and fixedly connected with fan body, the symmetry is equipped with two annular slabs in the sleeve, two the annular slab constitutes a ring around in the outside of dead lever, two one side that the dead lever was kept away from to the annular slab and telescopic inner wall is used a plurality of damping spring elastic connection.

Preferably, through fixed subassembly fixed connection between iron stand and the sleeve, fixed subassembly sets up two installation pieces on the sleeve outer wall, two including the symmetry the right side of installation piece all is equipped with the bolt, be equipped with on the iron stand with two bolt matched with screw holes, two the left end of bolt all runs through corresponding installation piece and extends to in the screw hole.

Preferably, a rubber pad is arranged between the sleeve and the iron frame.

Preferably, the right side fixedly connected with rectangle box of iron stand, be equipped with the piston in the rectangle box, the piston is connected with the inner wall sealing sliding of rectangle box, the right side fixedly connected with connecting rod of piston, the right-hand member of connecting rod extend to the external world and with telescopic right side fixed connection.

Preferably, two telescopic rods are symmetrically arranged in the sleeve, and the telescopic ends of the two telescopic rods are fixedly connected with one sides, far away from the fixing rod, of the corresponding annular plates.

Preferably, two of said bolts are threadedly connected to corresponding threaded bores.

Compared with the prior art, the device has the advantages that:

1. compared with the prior art, the fan body can absorb partial energy during vibration through the arrangement of the two annular plates and the plurality of damping springs, so that the vibration amplitude of the fan is reduced, the vibration frequency of the fan is reduced, the fan is quickly recovered to a stable state, and the influence on the operation of the fan body for a long time is avoided;

2. compared with the prior art, the air spring formed by the rectangular boxes is matched with the rubber pad, so that the vibration energy transmitted to the iron frame can be reduced to a certain degree, the stability of the joint of the iron frame is ensured, and the condition that the joint of the iron frame is not loosened is avoided.

Drawings

FIG. 1 is a schematic structural diagram of a damping mechanism suitable for a wind turbine tower according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a sectional view taken along line B-B in fig. 1.

In the figure: 1 iron stand, 2 fan bodies, 3 sleeves, 4 mounting blocks, 5 bolts, 6 threaded holes, 7 rubber pads, 8 damping springs, 9 telescopic rods, 10 annular plates, 11 fixing rods, 12 rectangular boxes, 13 pistons and 14 connecting rods.

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 of the embodiments.

Referring to fig. 1-3, a damping mechanism suitable for a fan tower cylinder comprises an iron frame 1, a sleeve 3 is arranged on the right side of the iron frame 1, an opening is arranged on the right side of the sleeve 3, a fixing rod 11 is fixedly connected to the inner wall of the left side of the sleeve 3, the right end of the fixing rod 11 extends to the outside and is fixedly connected with a fan body 2, two annular plates 10 are symmetrically arranged in the sleeve 3, the two annular plates 10 form a circular ring and surround the outside of the fixing rod 11, one side of each annular plate 10, which is far away from the fixing rod 11, is elastically connected with the inner wall of the sleeve 3 through a plurality of damping springs 8, the annular plates 10 can transmit the energy of the vibration of the fixing rod 11 to the plurality of damping springs 8, so that the damping springs 8 can partially absorb the energy, thereby reduce the vibration frequency and the range of dead lever 11, the symmetry is equipped with two telescopic links 9 in the sleeve 3, and the flexible end of two telescopic links 9 all keeps away from one side fixed connection of dead lever 11 with the annular plate 10 that corresponds.

Wherein, through fixed subassembly fixed connection between iron stand 1 and the sleeve 3, fixed subassembly sets up two installation pieces 4 on 3 outer walls of sleeve including the symmetry, and the right side of two installation pieces 4 all is equipped with bolt 5, is equipped with on iron stand 1 with two bolt 5 matched with screw hole 6, and the left end of two bolts 5 all runs through corresponding installation piece 4 and extends to screw hole 6 in, two bolts 5 and the 6 threaded connection of screw hole that correspond.

Wherein, be equipped with rubber pad 7 between sleeve 3 and the iron stand 1, the right side fixedly connected with rectangle box 12 of iron stand 1 is equipped with piston 13 in the rectangle box 12, piston 13 and the sealed sliding connection of the inner wall of rectangle box 12, the right side fixedly connected with connecting rod 14 of piston 13, the right-hand member of connecting rod 14 extend to the external world and with sleeve 3's right side fixed connection.

The utility model can be illustrated by the following operating modes: in the actual use process, when the fan body 2 is subjected to uneven wind power, the fan body 2 can drive the fixed rod 11 to generate certain vibration, the vibration of the fixed rod 11 can be continuously contacted with the two annular plates 10, the annular plates 10 can be continuously pressurized and stretched to the damping springs 8, and the damping springs 8 can absorb part of energy generated by the vibration, so that the vibration amplitude of the fixed rod 11 and the fan body 2 is reduced, the vibration frequency of the fixed rod 11 and the fan body 2 is reduced, the fixed rod 11 and the fan body 2 can be quickly restored to a stable state, and the influence of long-term large-amplitude vibration on the normal use of the fan body 2 is avoided;

meanwhile, the vibration of the fan body 2 can be transmitted to the sleeve 3, and at the moment, the piston 13 and the connecting rod 14 in the rectangular box 12 form an air spring, so that the air spring is matched with the rubber pad 7, part of vibration energy generated by the sleeve 3 is absorbed, and the energy transmitted to the iron frame 1 is reduced, so that the influence of the joint on the iron frame 1 is reduced, and the stability of the iron frame 1 is ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a damper suitable for on fan tower section of thick bamboo, includes iron stand (1), its characterized in that: the right side of iron stand (1) is equipped with sleeve (3), the right side of sleeve (3) is equipped with the opening, the left side inner wall fixedly connected with dead lever (11) of sleeve (3), the right-hand member of dead lever (11) extends to external world and fixedly connected with fan body (2), sleeve (3) internal symmetry is equipped with two annular slab (10), two annular slab (10) constitute a ring around the outside at dead lever (11), two one side that dead lever (11) were kept away from in annular slab (10) and sleeve (3) the inner wall used a plurality of damping spring (8) elastic connection.

2. The damping mechanism suitable for a fan tower of claim 1, wherein: through fixed subassembly fixed connection between iron stand (1) and sleeve (3), fixed subassembly sets up two installation piece (4) on sleeve (3) outer wall, two including the symmetry the right side of installation piece (4) all is equipped with bolt (5), be equipped with on iron stand (1) with two bolt (5) matched with screw hole (6), two the left end of bolt (5) all runs through corresponding installation piece (4) and extends to in screw hole (6).

3. The damping mechanism suitable for a fan tower of claim 1, wherein: and a rubber pad (7) is arranged between the sleeve (3) and the iron frame (1).

4. The damping mechanism suitable for a fan tower of claim 1, wherein: the right side fixedly connected with rectangle box (12) of iron stand (1), be equipped with piston (13) in rectangle box (12), the sealed sliding connection of inner wall of piston (13) and rectangle box (12), the right side fixedly connected with connecting rod (14) of piston (13), the right-hand member of connecting rod (14) extend to the external world and with the right side fixed connection of sleeve (3).

5. The damping mechanism suitable for a fan tower of claim 1, wherein: two telescopic links (9), two are equipped with to sleeve (3) internal symmetry the flexible end of telescopic link (9) all keeps away from one side fixed connection of dead lever (11) with corresponding annular plate (10).

6. The damping mechanism suitable for a fan tower of claim 2, wherein: the two bolts (5) are in threaded connection with the corresponding threaded holes (6).