CN218151671U - Fan vibration reduction structure - Google Patents

Abstract

The utility model provides a fan damping structure, which comprises a bottom frame, a top frame and a damping pad, wherein the bottom frame is used for being connected with a base, the top frame is used for being connected with a fan, the damping pad is positioned between the top frame and the bottom frame, the damping pad is made of an elastic material, one end of the damping pad is abutted against the top frame, the other end of the damping pad is abutted against the bottom frame, and the damping pad separates the top frame from the bottom frame; the damping pad is one or more, and under the condition that the damping pad is a plurality of, a plurality of damping pads are distributed at intervals. Adopt this scheme, carried out the interval with underframe and top frame through a damping pad or a plurality of damping pad, the vibration that the fan of being connected with the top frame produced when moving like this is transmitting to the damping pad when, and the deformation through the damping pad both can reduce the fan vibration and can absorb the energy of fan vibration again to realized the damping to the fan, and through above-mentioned structure, the vibration and the underframe of transmission to the underframe transmit the vibration greatly reduced to the base, thereby reduced the rigidity requirement to the base.

Description

Fan vibration reduction structure

Technical Field

The utility model relates to a fan damping technical field particularly, relates to a fan damping structure.

Background

The fan belongs to the operation part, and the fan can generate vibration phenomenon due to the existence of dynamic balance and air flow in the operation process. The level of dynamic balance determines the amount of radial vibration during fan operation, and the non-uniformity of airflow causes the vibration to bounce during fan operation. In order to inhibit the vibration of the fan in the operation process and reduce the damage risk of a fan bearing, the fan is generally fixed on a high-rigidity base, the vibration quantity of the fan is limited by the rigidity of the base, and the rigidity of the base cannot meet the use requirement along with the continuous increase of the weight and the rotating speed of the fan. Therefore, a fan vibration damping structure with a good vibration damping effect needs to be designed, and the problem that the rigidity of the base cannot meet the requirement is solved.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fan damping structure to the realization is to the damping of fan, solves the unable satisfied condition of requirement of base rigidity.

In order to achieve the above object, the utility model provides a fan damping structure, include: the bottom frame is used for being connected with the base; the top frame is used for being connected with the fan; the damping pad is located between top frame and the underframe, and the damping pad is made by elastic material, and the one end and the top frame butt of damping pad, the other end and the underframe butt of damping pad, damping pad will push up frame and underframe interval apart.

Furthermore, the bottom frame comprises a bottom substrate and a bottom flanging structure arranged on the bottom substrate, the bottom substrate is used for being connected with the base, the top frame comprises a top substrate and a top flanging structure arranged on the top substrate, and the top substrate is used for being connected with the fan; one end of the vibration damping pad is abutted with the top base plate or the top flanging structure, and the other end of the vibration damping pad is abutted with the bottom base plate or the bottom flanging structure.

Furthermore, the bottom frame comprises a plurality of bottom strip-shaped frames which are connected end to end, each bottom strip-shaped frame comprises a bottom strip-shaped plate and a first flanging structure arranged on the corresponding bottom strip-shaped plate, the top frame comprises a plurality of top strip-shaped frames which are connected end to end, and each top strip-shaped frame comprises a top strip-shaped plate and a second flanging structure arranged on the corresponding top strip-shaped plate; the damping pad comprises a plurality of bottom strip-shaped frames, a plurality of top strip-shaped frames, a plurality of damping pads and a plurality of damping pads, wherein the plurality of bottom strip-shaped frames and the plurality of top strip-shaped frames are arranged in a one-to-one correspondence manner, one end of the damping pad is abutted to the bottom strip-shaped plate, and the other end of the damping pad is abutted to the top strip-shaped plate; the damping pad is a plurality of, and a plurality of damping pad interval distribution.

Furthermore, the fan vibration reduction structure is horizontally arranged, the first flanging structure comprises two first vertical plates which are arranged in parallel, the second flanging structure comprises two second vertical plates which are arranged in parallel, the distance between the two second vertical plates is greater than the distance between the two first vertical plates, and the vibration reduction pad is positioned between the two first vertical plates; in each group of corresponding bottom strip-shaped frame and top strip-shaped frame, the two first vertical plates are positioned between the two second vertical plates, and a gap is formed between the first vertical plates and the second vertical plates.

Furtherly, the damping pad is the column, and fan damping structure still includes the connecting piece, and the damping pad passes through the connecting piece respectively with underframe and top frame fixed connection.

Furthermore, the fan vibration reduction structure is installed in a non-horizontal mode, the bottom frame comprises a first upper cross beam, a first lower cross beam and a plurality of first supporting beams, the first upper cross beam is connected with the first lower cross beam through the first supporting beams, the top frame comprises a second upper cross beam, a second lower cross beam and a plurality of second supporting beams, and the second upper cross beam is connected with the second lower cross beam through the second supporting beams; the damping pad is a plurality of, and a plurality of damping pads include gravity damping post and lower gravity damping post, go up the upper end and the second entablature butt of gravity damping post, go up the lower extreme and the first entablature butt of gravity damping post, the upper end and the second bottom end rail butt of lower gravity damping post, the lower extreme and the first bottom end rail butt of lower gravity damping post.

Furthermore, the first upper cross beam comprises a first upper base plate and a first upper bottom flanging which are mutually connected, the second upper cross beam comprises a second upper base plate and a second upper top flanging which are mutually connected, the first upper bottom flanging is abutted against the lower end of the upper gravity damping column, and the second upper top flanging is abutted against the upper end of the upper gravity damping column; the first bottom beam comprises a first bottom base plate and a first bottom flanging which are connected with each other, the second bottom beam comprises a second bottom base plate and a second bottom top flanging which are connected with each other, the first bottom flanging is abutted to the lower end of the lower gravity vibration reduction column, and the second bottom flanging is abutted to the upper end of the lower gravity vibration reduction column.

Furthermore, the first upper cross beam also comprises a first upper side flanging connected with the first upper bottom flanging, and the second upper cross beam also comprises a second upper side flanging connected with the second upper top flanging; the first upper base plate, the second upper side flanging, the first upper side flanging and the second upper base plate are sequentially arranged; the damping pads further comprise an upper bending moment damping column and a lower bending moment damping column, one end of the upper bending moment damping column is abutted to the first upside flanging, the other end of the upper bending moment damping column is abutted to the second upside flanging, one end of the lower bending moment damping column is abutted to the first lower base plate, and the other end of the lower bending moment damping column is abutted to the second lower base plate.

Furthermore, the number of the first supporting beams and the number of the second supporting beams are two, and the two first supporting beams and the two second supporting beams are arranged in a one-to-one correspondence manner; the damping pads further comprise lateral bending moment damping columns, one end of each lateral bending moment damping column is abutted to the first supporting beam, and the other end of each lateral bending moment damping column is abutted to the second supporting beam in each corresponding group of first supporting beams and second supporting beams.

Further, the damping pad is a plurality of; the bottom frame is of a circular ring or polygonal structure, the top frame is of a circular ring or polygonal structure, and a plurality of damping pads are distributed at intervals in the circumferential direction of the bottom frame; or the bottom frame comprises a plurality of lower strip-shaped pieces arranged side by side, the top frame comprises a plurality of upper strip-shaped pieces arranged side by side, the lower strip-shaped pieces and the upper strip-shaped pieces are arranged in one-to-one correspondence, and at least one damping pad is arranged between each group of corresponding lower strip-shaped pieces and each group of corresponding upper strip-shaped pieces; or the bottom frame comprises a plurality of lower L-shaped pieces arranged at intervals, the top frame comprises an upper L-shaped piece arranged at intervals, the lower L-shaped pieces and the upper L-shaped pieces are arranged in a one-to-one correspondence manner, and at least one damping pad is arranged between each corresponding lower L-shaped piece and each upper L-shaped piece.

The technical scheme of the utility model is applied, a fan damping structure is provided, the fan damping structure comprises a bottom frame, a top frame and a damping pad, the bottom frame is used for being connected with a base, the top frame is used for being connected with a fan, the damping pad is positioned between the top frame and the bottom frame, the damping pad is made of elastic materials, one end of the damping pad is abutted against the top frame, the other end of the damping pad is abutted against the bottom frame, and the damping pad separates the top frame from the bottom frame; the number of the vibration damping pads may be one or more, and in the case of a plurality of vibration damping pads, the plurality of vibration damping pads are spaced apart. Adopt this scheme, carried out the interval with underframe and top frame through a damping pad or a plurality of damping pad, the vibration that the fan of being connected with the top frame produced when moving like this is transmitting to the damping pad when, and the deformation through the damping pad both can reduce the fan vibration and can absorb the energy of fan vibration again to realized the damping to the fan, and through above-mentioned structure, the vibration and the underframe of transmission to the underframe transmit the vibration greatly reduced to the base, thereby reduced the rigidity requirement to the base.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of a fan damping structure according to a first embodiment of the present invention;

FIG. 2 illustrates a schematic mounting diagram of the fan damping structure of FIG. 1;

FIG. 3 shows an exploded view of the fan damping structure of FIG. 1;

FIG. 4 shows a schematic view of the fan damping structure of FIG. 3 from another perspective;

FIG. 5 illustrates a partial view of the fan damping structure of FIG. 1;

fig. 6 shows a schematic diagram of a fan damping structure provided by the second embodiment of the present invention;

FIG. 7 illustrates an installation schematic of the fan damping structure of FIG. 6;

FIG. 8 shows a schematic view of the fan damping structure of FIG. 6 from another perspective;

fig. 9 shows a schematic view of a fan damping structure provided in the third embodiment of the present invention;

FIG. 10 shows an exploded view of the fan damping structure of FIG. 9;

FIG. 11 shows a schematic view of the fan damping structure of FIG. 10 from another perspective;

FIG. 12 shows an upper assembly view of the fan damping structure of FIG. 9;

FIG. 13 shows a lower assembly view of the fan damping structure of FIG. 9;

fig. 14 shows a schematic view of a fan damping structure according to a fourth embodiment of the present invention;

fig. 15 shows a schematic view of a fan damping structure provided in the fifth embodiment of the present invention;

fig. 16 shows a schematic view of a fan damping structure according to a sixth embodiment of the present invention.

Wherein the figures include the following reference numerals:

100. a bottom frame; 110. a bottom strip frame; 111. a bottom strip-shaped plate; 112. a first flanging structure; 113. a first vertical plate; 120. a first upper cross member; 121. a first upper substrate; 122. a first upper bottom flange; 123. a first upper side flanging; 130. a first lower cross member; 131. a first lower substrate; 132. a first lower bottom flange; 140. a first support beam; 150. a lower strip; 160. a lower L-shaped piece;

200. a top frame; 210. a top strip frame; 211. a top strip shaped plate; 212. a second flanging structure; 213. a second vertical plate; 220. a second upper cross member; 221. a second upper substrate; 222. second upward flanging; 223. the second upper side is flanged; 230. a second lower cross member; 231. a second lower substrate; 232. a second lower top flanging; 240. a second support beam; 250. feeding a strip-shaped piece; 260. an upper L-shaped piece;

300. a vibration damping pad; 310. an upper gravity damping column; 320. a lower gravity damping column; 330. an upper bending moment damping column; 340. a kick-down moment damping post; 350. lateral bending moment damping column.

Detailed Description

The technical solution in 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. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

The utility model provides a fan damping structure, include: the bottom frame 100, the bottom frame 100 is used for connecting with the base; the top frame 200, the top frame 200 is used for connecting with the fan; a damping pad 300 between the top frame 200 and the bottom frame 100, the damping pad 300 being made of an elastic material, one end of the damping pad 300 abutting against the top frame 200, the other end of the damping pad 300 abutting against the bottom frame 100, the damping pad 300 spacing the top frame 200 and the bottom frame 100; the number of the vibration damping pad 300 may be one or more, and in the case where the number of the vibration damping pad 300 is plural, the plural vibration damping pads 300 are spaced apart.

By adopting the scheme, the bottom frame 100 and the top frame 200 are spaced through one damping pad 300 or a plurality of damping pads 300, so that when the vibration generated when a fan connected with the top frame 200 operates is transmitted to the damping pads 300, the vibration of the fan can be reduced and the energy of the vibration of the fan can be absorbed through the deformation of the damping pads 300, thereby realizing the vibration reduction of the fan, and through the structure, the vibration transmitted to the bottom frame 100 by the fan and the vibration transmitted to the base by the bottom frame 100 are greatly reduced, thereby reducing the rigidity requirement on the base.

In the scheme, the bottom frame 100 comprises a bottom substrate and a bottom flanging structure arranged on the bottom substrate, the bottom substrate is used for being connected with the base, the top frame 200 comprises a top substrate and a top flanging structure arranged on the top substrate, and the top substrate is used for being connected with the fan; one end of the damping pad 300 is abutted against the top substrate or the top flanging structure, and the other end of the damping pad 300 is abutted against the bottom substrate or the bottom flanging structure. By adopting the arrangement, the flanging structure can play the role of limiting and increasing the structural strength. The bottom frame 100 and the top frame 200 in the scheme can adopt a sheet metal structure, so that the processing is convenient, and the cost is low. The vibration-damping pad 300 may be made of an elastomer with high damping, which may improve vibration-damping effect.

As shown in fig. 1 to 5, in the first embodiment, the bottom frame 100 includes a plurality of bottom strip frames 110 connected end to end, each bottom strip frame 110 includes a bottom strip plate 111 and a first flanging structure 112 disposed on the bottom strip plate 111, the top frame 200 includes a plurality of top strip frames 210 connected end to end, each top strip frame 210 includes a top strip plate 211 and a second flanging structure 212 disposed on the top strip plate 211; wherein, a plurality of end strip frame 110 and a plurality of top strip frame 210 one-to-one set up, and the one end and the end strip board 111 butt of damping pad 300, the other end and the top strip board 211 butt of damping pad 300. Set up underframe 100 and top frame 200 into above-mentioned structure, when guaranteeing structural strength, make the whole size of fan damping structure bigger, it is more stable after being connected with the fan like this, can improve the fixed effect to the fan, be favorable to reducing the fan vibration.

In this embodiment, the fan vibration reduction structure is horizontally installed, the first flanging structure 112 includes two first vertical plates 113 arranged in parallel, the second flanging structure 212 includes two second vertical plates 213 arranged in parallel, the distance between the two second vertical plates 213 is greater than the distance between the two first vertical plates 113, and the vibration reduction pad 300 is located between the two first vertical plates 113; in each corresponding set of bottom bar frame 110 and top bar frame 210, two first vertical plates 113 are located between two second vertical plates 213 and a gap is formed between first vertical plates 113 and second vertical plates 213. The above-mentioned structure of the first and second flanging structures 112 and 212 can improve the deformation resistance of the bottom and top frames 100 and 200, i.e. the bearing capacity. As shown in fig. 5, the two first vertical plates 113 are located between the two second vertical plates 213, and a gap is formed between the first vertical plates 113 and the second vertical plates 213, so that the bottom frame 100 and the top frame 200 are ensured to be spaced apart, the vibration of the fan is prevented from being directly transmitted to the bottom frame 100 through the top frame 200, and the vibration reduction effect is ensured.

In this embodiment, the damping pad 300 is a column, the fan damping structure further includes a connecting member (also called a fastening member), and the damping pad 300 is respectively and fixedly connected to the bottom frame 100 and the top frame 200 through the connecting member. This realizes the connection of the bottom frame 100, the damping pad 300 and the top frame 200. In one possible implementation, the connecting member may be a screw, the damping pad 300 has an internal thread, and the screw is connected with the internal thread of the damping pad 300. Each of the vibration damping pads 300 may correspond to two screws, one of which is coupled to the bottom frame 100 and the other of which is coupled to the top frame 200. Alternatively, one screw is provided for each vibration damping pad 300, and the screw penetrates through the bottom frame 100, the vibration damping pad 300, and the top frame 200, thereby achieving connection. It can be understood that the embodiment of the present invention can also use other connecting members, and the embodiment of the present invention does not limit the types of the connecting members.

As shown in fig. 6 to 8, in the second embodiment, the fan damping structure is installed non-horizontally, the bottom frame 100 includes a first upper cross member 120, a first lower cross member 130, and a plurality of first support beams 140, the first upper cross member 120 is connected to the first lower cross member 130 through the first support beams 140, the top frame 200 includes a second upper cross member 220, a second lower cross member 230, and a plurality of second support beams 240, the second upper cross member 220 is connected to the second lower cross member 230 through the second support beams 240; the damping pad 300 is a plurality of, and a plurality of damping pads 300 include gravity damping post 310 and lower gravity damping post 320, go up the upper end and the second entablature 220 butt of gravity damping post 310, go up the lower extreme and the first entablature 120 butt of gravity damping post 310, the upper end and the second entablature 230 butt of lower gravity damping post 320, the lower extreme and the first entablature 130 butt of lower gravity damping post 320. By adopting the structure, the fan vibration reduction structure needs a non-horizontal installation environment, for example, the rotating shaft of the fan is horizontally arranged, the upper gravity vibration reduction column 310 and the lower gravity vibration reduction column 320 can play a vibration reduction role and also play a role in bearing the gravity of the fan.

Specifically, the first upper cross beam 120 includes a first upper base plate 121 and a first upper bottom flange 122 connected to each other, the second upper cross beam 220 includes a second upper base plate 221 and a second upper top flange 222 connected to each other, the first upper bottom flange 122 abuts against the lower end of the upper gravity damping column, and the second upper top flange 222 abuts against the upper end of the upper gravity damping column; the first lower beam 130 comprises a first lower base plate 131 and a first lower bottom flange 132 which are connected with each other, the second lower beam 230 comprises a second lower base plate 231 and a second lower top flange 232 which are connected with each other, the first lower bottom flange 132 is abutted with the lower end of the lower gravity damping column, and the second lower top flange 232 is abutted with the upper end of the lower gravity damping column. By adopting the arrangement, the structure is simple and the cost is low under the condition of meeting the strength requirement and the vibration reduction requirement.

As shown in fig. 9 to 13, in the third embodiment, different from the second embodiment, the first upper cross member 120 further includes a first upper flange 123 connected to the first upper bottom flange 122, and the second upper cross member 220 further includes a second upper flange 223 connected to the second upper top flange 222; wherein, the first upper substrate 121, the second upper side flanging 223, the first upper side flanging 123 and the second upper substrate 221 are arranged in sequence; the damping pads 300 further comprise an upper bending moment damping column 330 and a lower bending moment damping column 340, wherein one end of the upper bending moment damping column 330 is abutted with the first upper flanging 123, the other end of the upper bending moment damping column 330 is abutted with the second upper flanging 223, one end of the lower bending moment damping column 340 is abutted with the first lower base plate 131, and the other end of the lower bending moment damping column 340 is abutted with the second lower base plate 231. Therefore, the bending moment applied to the fan vibration reduction structure by the fan due to gravity can be borne by the upper bending moment vibration reduction column 330 and the lower bending moment vibration reduction column 340, and the stability of the fan vibration reduction structure is further improved. Wherein, the upper bending moment damping column 330 and the lower bending moment damping column 340 are both in a compressed state to bear bending moment.

As shown in fig. 14, in the fourth embodiment, two first support beams 140 and two second support beams 240 are provided, and the two first support beams 140 and the two second support beams 240 are provided in one-to-one correspondence. In contrast to the third embodiment, in the present embodiment, the upper bending moment damping column 330 and the lower bending moment damping column 340 may not be provided, but a side bending moment damping column 350 may be used. In each corresponding set of the first support beam 140 and the second support beam 240, one end of the side bending moment damping column 350 abuts against the first support beam 140, and the other end of the side bending moment damping column 350 abuts against the second support beam 240. By adopting the structure, the effect of bearing the bending moment applied to the vibration reduction structure of the fan by the gravity can be achieved.

The fan vibration reduction structure in this scheme can have different implementation forms, in the above embodiment, the bottom frame 100 can be a circular ring or a polygonal structure, the top frame 200 can also be a circular ring or a polygonal structure, the number of the vibration reduction pads 300 is multiple, and the plurality of vibration reduction pads 300 are distributed at intervals in the circumferential direction of the bottom frame 100.

Alternatively, as shown in fig. 15, in the fifth embodiment, the bottom frame 100 includes a plurality of lower bars 150 arranged side by side, the top frame 200 includes a plurality of upper bars 250 arranged side by side, the plurality of lower bars 150 and the plurality of upper bars 250 are arranged in a one-to-one correspondence, and at least one damping pad 300 is arranged between each group of corresponding lower bars 150 and upper bars 250.

Alternatively, as shown in fig. 16, in the sixth embodiment, the bottom frame 100 includes a plurality of lower L-shaped pieces 160 arranged at intervals, the top frame 200 includes a plurality of upper L-shaped pieces 260 arranged at intervals, the plurality of lower L-shaped pieces 160 and the plurality of upper L-shaped pieces 260 are arranged in a one-to-one correspondence, and at least one damping pad 300 is arranged between each corresponding lower L-shaped piece 160 and upper L-shaped piece 260. These different implementations can also have a damping effect.

By adopting the scheme, the bottom frame 100 and the top frame 200 are spaced by the damping pads 300, so that when the vibration generated when the fan connected with the top frame 200 operates is transmitted to the damping pads 300, the vibration of the fan can be reduced and the vibration energy of the fan can be absorbed by the deformation of the damping pads 300, thereby realizing the vibration reduction of the fan, and by the structure, the vibration transmitted to the bottom frame 100 by the fan and the vibration transmitted to the base by the bottom frame 100 are greatly reduced, thereby reducing the rigidity requirement on the base.

In addition, the scheme can utilize the characteristics of low vibration energy and high vibration energy of the fan in the low rotating speed area, and designs the vibration reduction structure which allows the fan to resonate with the vibration reduction structure in the low rotating speed area and has no resonance in the high rotating speed area, and then combines the characteristic of high impedance of the fan bracket to reduce the vibration of the rotating speed resonance area, thereby solving the problem of overlarge coupling vibration when a plurality of fans operate. And the vibration reduction structure is provided with a certain cavity, so that the sealing performance can be realized.

The fan includes the support and installs the fan body in the support, and support and fan damping structural connection, fan, damping structure and base constitute fan vibration system, and the fan operation in-process, fan rotor are the vibration source, and its dynamic balance and the air current that flows from the rotor are main vibration source, and this vibration passes to the damping structure through the support, and the deformation through the inside damping pad of damping structure greatly reduces the vibration energy that the vibration transmitted to the basis. The vibration damping pad is an elastic body with high damping, so that the vibration of the fan is reduced, and the vibration energy of the fan is absorbed, so that the resonance phenomenon of the fan can be effectively reduced. When a plurality of fans operate on the same base, the vibration reduction structure decouples the interaction between the fans, and the fans operate without interference.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a fan damping structure which characterized in that includes:

a bottom frame (100), the bottom frame (100) being used for connecting with a base;

the top frame (200), the said top frame (200) is used for connecting with blower;

damping pad (300), be located top frame (200) with between underframe (100), damping pad (300) are made by elastic material, damping pad (300) one end with top frame (200) butt, damping pad (300) the other end with underframe (100) butt, damping pad (300) will top frame (200) with underframe (100) spaced apart.

2. The fan vibration reduction structure according to claim 1, wherein the bottom frame (100) comprises a bottom substrate and a bottom flanging structure arranged on the bottom substrate, the bottom substrate is used for being connected with the base, the top frame (200) comprises a top substrate and a top flanging structure arranged on the top substrate, and the top substrate is used for being connected with the fan; one end of the vibration damping pad (300) is abutted with the top base plate or the top flanging structure, and the other end of the vibration damping pad (300) is abutted with the bottom base plate or the bottom flanging structure.

3. The fan vibration reduction structure according to claim 2, characterized in that the bottom frame (100) comprises a plurality of bottom strip frames (110) connected end to end, the bottom strip frames (110) comprise bottom strip plates (111) and first flanging structures (112) arranged on the bottom strip plates (111), the top frame (200) comprises a plurality of top strip frames (210) connected end to end, and the top strip frames (210) comprise top strip plates (211) and second flanging structures (212) arranged on the top strip plates (211); the bottom strip frames (110) and the top strip frames (210) are arranged in a one-to-one correspondence mode, one end of the vibration damping pad (300) is abutted to the bottom strip plate (111), and the other end of the vibration damping pad (300) is abutted to the top strip plate (211); the damping pad (300) is a plurality of, and a plurality of damping pads (300) interval distribution.

4. The fan vibration reduction structure according to claim 3, wherein the fan vibration reduction structure is horizontally installed, the first flanging structure (112) comprises two first vertical plates (113) arranged in parallel, the second flanging structure (212) comprises two second vertical plates (213) arranged in parallel, the distance between the two second vertical plates (213) is greater than the distance between the two first vertical plates (113), and the vibration reduction pad (300) is located between the two first vertical plates (113); in each corresponding group of the bottom strip-shaped frame (110) and the top strip-shaped frame (210), the two first vertical plates (113) are positioned between the two second vertical plates (213) and a gap is formed between the first vertical plates (113) and the second vertical plates (213).

5. The fan vibration reduction structure according to claim 1, wherein the vibration reduction pad (300) is cylindrical, and the fan vibration reduction structure further comprises a connecting member, and the vibration reduction pad (300) is fixedly connected with the bottom frame (100) and the top frame (200) through the connecting member.

6. The fan damping structure according to claim 2, wherein the fan damping structure is installed non-horizontally, the bottom frame (100) comprises a first upper beam (120), a first lower beam (130) and a plurality of first supporting beams (140), the first upper beam (120) is connected with the first lower beam (130) through the first supporting beams (140), the top frame (200) comprises a second upper beam (220), a second lower beam (230) and a plurality of second supporting beams (240), and the second upper beam (220) is connected with the second lower beam (230) through the second supporting beams (240); damping pad (300) are a plurality of, and are a plurality of damping pad (300) are including gravity damping post (310) and lower gravity damping post (320), go up the upper end of gravity damping post (310) with second entablature (220) butt, go up the lower extreme of gravity damping post (310) with first entablature (120) butt, the upper end of lower gravity damping post (320) with second entablature (230) butt, the lower extreme of lower gravity damping post (320) with first entablature (130) butt.

7. The vibration reduction structure for the fan according to claim 6,

the first upper cross beam (120) comprises a first upper base plate (121) and a first upper bottom flanging (122) which are connected with each other, the second upper cross beam (220) comprises a second upper base plate (221) and a second upper top flanging (222) which are connected with each other, the first upper bottom flanging (122) is abutted against the lower end of the upper gravity damping column, and the second upper top flanging (222) is abutted against the upper end of the upper gravity damping column;

the first lower cross beam (130) comprises a first lower base plate (131) and a first lower bottom flanging (132) which are connected with each other, the second lower cross beam (230) comprises a second lower base plate (231) and a second lower top flanging (232) which are connected with each other, the first lower bottom flanging (132) is abutted to the lower end of the lower gravity damping column, and the second lower top flanging (232) is abutted to the upper end of the lower gravity damping column.

8. The fan vibration reduction structure according to claim 7, wherein the first upper cross beam (120) further comprises a first upper flanging (123) connected with the first upper bottom flanging (122), and the second upper cross beam (220) further comprises a second upper flanging (223) connected with the second upper top flanging (222); wherein the first upper base plate (121), the second upper side flange (223), the first upper side flange (123) and the second upper base plate (221) are arranged in sequence; it is a plurality of damping pad (300) still includes bending moment shock attenuation post (330) and bending moment shock attenuation post (340) down, the one end of bending moment shock attenuation post (330) with first upside turn-ups (123) butt, the other end of bending moment shock attenuation post (330) with second upside turn-ups (223) butt, the one end of bending moment shock attenuation post (340) down with first infrabasal plate (131) butt, the other end of bending moment shock attenuation post (340) down with second infrabasal plate (231) butt.

9. The fan vibration reduction structure according to claim 6, wherein the number of the first support beams (140) and the number of the second support beams (240) are two, and the two first support beams (140) and the two second support beams (240) are arranged in a one-to-one correspondence manner; a plurality of damping pad (300) still includes side bending moment damping post (350), in corresponding every group first supporting beam (140) with in second supporting beam (240), the one end of side bending moment damping post (350) with first supporting beam (140) butt, the other end of side bending moment damping post (350) with second supporting beam (240) butt.

10. The fan vibration reduction structure according to claim 1, wherein the vibration reduction pad (300) is plural;

the bottom frame (100) is of a circular ring or polygonal structure, the top frame (200) is of a circular ring or polygonal structure, and the damping pads (300) are distributed at intervals in the circumferential direction of the bottom frame (100); alternatively, the first and second electrodes may be,

the bottom frame (100) comprises a plurality of lower strip-shaped parts (150) arranged side by side, the top frame (200) comprises a plurality of upper strip-shaped parts (250) arranged side by side, the lower strip-shaped parts (150) and the upper strip-shaped parts (250) are arranged in a one-to-one correspondence manner, and at least one damping pad (300) is arranged between each corresponding lower strip-shaped part (150) and each corresponding upper strip-shaped part (250); alternatively, the first and second electrodes may be,

the underframe (100) includes a plurality of lower L shape pieces (160) of interval setting, the top frame (200) includes a plurality of upper L shape pieces (260) of interval setting, and is a plurality of lower L shape piece (160) and a plurality of upper L shape piece (260) one-to-one sets up, every group is corresponding lower L shape piece (160) with be provided with at least one between the upper L shape piece (260) damping pad (300).

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