CN211290505U - Damping and noise-reducing centrifugal fan mounting system for heating and ventilation engineering - Google Patents
Damping and noise-reducing centrifugal fan mounting system for heating and ventilation engineering Download PDFInfo
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- CN211290505U CN211290505U CN201922440032.4U CN201922440032U CN211290505U CN 211290505 U CN211290505 U CN 211290505U CN 201922440032 U CN201922440032 U CN 201922440032U CN 211290505 U CN211290505 U CN 211290505U
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- 238000013016 damping Methods 0.000 title claims abstract description 36
- 238000009423 ventilation Methods 0.000 title claims abstract description 11
- 238000010438 heat treatment Methods 0.000 title claims abstract description 9
- 230000035939 shock Effects 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 229920000742 Cotton Polymers 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000011094 fiberboard Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000001603 reducing effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000003139 buffering effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 206010044565 Tremor Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model relates to a building field, concretely relates to warm logical engineering is with vibration/noise reduction centrifugal fan installing the system. The damping and noise-reducing centrifugal fan mounting system for the heating and ventilation engineering comprises a supporting seat, a motor and a fan which are mounted on the supporting seat, a transmission belt connected with the motor and the fan, and a base located at the bottom of the supporting seat, wherein the supporting seat and the base are connected through damping springs and shock absorbers, the shock absorbers are located at four corners of the bottom of the supporting seat, and the damping springs are located between two adjacent shock absorbers; the base outside is covered and is equipped with a protective frame, and motor and fan, transmission belt all are located protective frame. The utility model discloses noise reduction effect is good, the shock attenuation is effectual, the potential safety hazard is little and equipment long service life.
Description
Technical Field
The utility model relates to a building field especially relates to warm logical engineering with vibration/noise reduction centrifugal fan installing the system.
Background
In heating ventilation engineering, in order to increase air fluidity, a centrifugal fan is generally used, and the centrifugal fan is a machine which increases air pressure through mechanical energy and then conveys air out, and is one of four major parts in a dust removal ventilation system.
When the centrifugal fan operates, kinetic energy is converted into potential energy when the centrifugal fan rotates at a high speed, the airflow is discharged from the ventilation opening through the high-speed rotation of the motor, the centrifugal fan generally adopts a belt to transmit rotating speed, vibration in different directions can be generated, and vibration in different directions is the most violent. On the one hand, vibrations can produce a large amount of noises, causes the noise interference to building surrounding environment, and on the other hand, vibrations drive the wearing and tearing between each part of centrifugal fan, has reduced its life to there is great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a warm logical engineering with vibration/noise reduction centrifugal fan installing the system that makes an uproar effectual, the shock attenuation is effectual, the potential safety hazard is little and equipment long service life.
The utility model adopts the technical proposal that: the damping and noise-reducing centrifugal fan mounting system for the heating and ventilation engineering comprises a supporting seat, a motor, a fan, a transmission belt and a base, wherein the motor and the fan are mounted on the supporting seat, the transmission belt is connected with the motor and the fan, the base is positioned at the bottom of the supporting seat, the supporting seat is connected with the base through damping springs, the dampers are positioned at four corners of the bottom of the supporting seat, and the damping springs are positioned between two adjacent dampers; a protective frame is covered outside the base, and the motor, the fan and the transmission belt are all positioned in the protective frame; the fan comprises a volute and an air duct, and the air duct penetrates through the protective frame and enters the outside of the protective frame; the volute comprises a stainless steel layer, a buffer layer, a sound absorption layer and a porous plate layer which are sequentially bonded from outside to inside, wherein a plurality of damping holes are arrayed on the porous plate layer, glass sound absorption cotton is filled in the sound absorption layer, and composite pearl cotton is filled in the buffer layer; the protective frame comprises a vacuum plate, an acoustical panel and a soft fiberboard from inside to outside in sequence, the vacuum plate is in threaded connection with the acoustical panel, the acoustical panel is bonded with the soft fiberboard, and glass acoustical cotton is filled in the acoustical panel.
The further improvement to the technical scheme is that the fan and the motor are both installed on the installation seat through the support frame, and a damping rubber gasket is arranged between the support frame and the support seat.
The further improvement to above-mentioned technical scheme does, a plurality of recess has been seted up to one side that the base deviates from the supporting seat, and the recess intussuseption is filled with the yielding rubber gasket.
The technical scheme is further improved in that the shock absorber comprises a fixed seat, a through hole is formed in an upper end cover of the fixed seat, and a lower end cover of the fixed seat is fixedly connected with the fixed seat through a fastener; a central shaft extending from the lower end cover to the upper end cover is arranged in the fixed seat, a conical pressing block is sleeved on the central shaft, and the upper end of the conical pressing block is fixedly connected with the bottom of the supporting seat; be provided with a plurality of elastomeric cushioning spare between toper briquetting and the lower end cover, be provided with annular compression piece between the adjacent elastomeric cushioning spare, the inside of fixing base still is provided with the annular piece, the outer wall of annular piece and the inner wall contact of fixing base, the inner wall of annular piece and the outer wall contact of shape briquetting are provided with a plurality of counter bores on the annular piece, are provided with expanding spring in the counter bore, expanding spring one end is fixed in the counter bore, the other end and upper end cover butt.
The utility model has the advantages that:
1. on one hand, the base is arranged at the bottom of the supporting seat, so that the whole system is more stable, and the supporting seat and the base are connected through the damping spring and the shock absorber to play a role in buffering and shock absorption; in the second aspect, the shock absorbers are positioned at four corners of the bottom of the supporting seat, the damping springs are positioned between two adjacent shock absorbers, the shock absorbers at the four corners can uniformly reduce the shock during the operation of the system, and the damping springs play a role in buffering the shock to prevent the damage of each part of the fan caused by the shock; the third aspect, the outside cover of base is equipped with a protective frame, and motor and fan, transmission belt all are located protective frame, and protective frame includes vacuum plate, acoustical panel and soft fiberboard from inside to outside in proper order, vacuum plate and acoustical panel spiro union, acoustical panel and soft fiberboard bond, and the acoustical panel intussuseption is filled with glass and inhales the sound cotton, through protective frame, prevent that the noise that the fan produced from moving from diffusing to external environment in, play the function of making an uproar of falling, protective frame at first keeps apart the sound that the fan produced through vacuum plate, then absorbs the sound wave through the acoustical panel, hinders the sound wave through soft fiberboard at last, prevents that the sound wave from diffusing to the external world, and noise reduction effect is good. In a fourth aspect, the fan comprises a volute and an air duct, the air duct penetrates through the protective frame to enter the outside of the protective frame, the volute sequentially comprises a stainless steel layer, a buffer layer, a sound absorption layer and a porous plate layer which are sequentially bonded from outside to inside, a plurality of damping holes are arrayed on the porous plate layer, glass sound-absorbing cotton is filled in the sound-absorbing layer, the buffer layer is filled with composite pearl cotton, the main body of the volute is a stainless steel layer, damping holes of a porous plate layer are arranged inside the volute, the damping holes are rubbed with sound in the process of transmitting the sound waves to consume the energy of the sound waves, so that the energy of the sound waves penetrating through the system is weakened, the glass sound-absorbing cotton on the sound-absorbing layer, absorb the sound wave through inhaling sound glass cotton, further reduce the sound wave intensity that transmits to the system outside, the buffer layer adopts compound pearl cotton, and one comes the vibrations of buffering fan operation, and two come the absorption sound wave, further play and fall the function of making an uproar and shock attenuation.
2. Fan and motor all install on the mount pad through the support frame, and are equipped with the yielding rubber gasket between support frame and the supporting seat, and the yielding rubber gasket can be so that the connection of support frame and supporting seat is more stable on the one hand, prevents that the system from producing violent vibrations because connect the shakiness, plays absorbing effect two times.
3. A plurality of recess has been seted up to one side that the base deviates from the supporting seat, and the recess intussuseption is filled with the yielding rubber gasket, and the yielding rubber gasket can be so that the connection on base and ground is more stable on the one hand, prevents that the system from producing violent vibrations because connect the shakiness, plays vibration/noise reduction's effect two times.
4. The shock absorber comprises a fixed seat, the upper end cover of the fixed seat is provided with a through hole, and the lower end cover of the fixed seat is fixedly connected with the fixed seat through a fastener; a central shaft extending from the lower end cover to the upper end cover is arranged in the fixed seat, a conical pressing block is sleeved on the central shaft, and the upper end of the conical pressing block is fixedly connected with the bottom of the supporting seat; a plurality of elastic buffer parts are arranged between the conical pressing block and the lower end cover, annular compression parts are arranged between the adjacent elastic buffer parts, an annular block is further arranged inside the fixing seat, the outer wall of the annular block is in contact with the inner wall of the fixing seat, the inner wall of the annular block is in contact with the outer wall of the conical pressing block, a plurality of counter bores are formed in the annular block, telescopic springs are arranged in the counter bores, one ends of the telescopic springs are fixed in the counter bores, and the other ends of the telescopic springs are abutted to the upper; the shock absorber can absorb and buffer the mechanical vibration generated in the working process of the fan and the motor, so that the damage of the mechanical vibration to the fan and the motor is reduced, the service life of the fan and the motor is prolonged, and the shock absorption and noise reduction effects are good.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the volute of the present invention;
FIG. 3 is a schematic structural view of the protection frame of the present invention;
fig. 4 is a schematic structural view of the shock absorber of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-4, the structure schematic diagram of the present invention, the structure schematic diagram of the volute, the structure schematic diagram of the protection frame, and the structure schematic diagram of the shock absorber are shown separately.
The vibration-reducing and noise-reducing centrifugal fan mounting system 100 for heating and ventilation engineering comprises a supporting seat 110, a motor 120 and a fan 130 which are mounted on the supporting seat 110, and a transmission belt 140 connected with the motor 120 and the fan 130, and further comprises a base 150 positioned at the bottom of the supporting seat 110, wherein the supporting seat 110 and the base 150 are connected through a damping spring 160 and a shock absorber 170, the shock absorber 170 is positioned at four corners of the bottom of the supporting seat 110, and the damping spring 160 is positioned between two adjacent shock absorbers 170; a protective frame 180 is covered outside the base 150, and the motor 120, the fan 130 and the transmission belt 140 are all positioned in the protective frame 180; the fan 130 comprises a volute 131 and an air duct 132, and the air duct 132 penetrates through the protective frame 180 and enters the outside of the protective frame 180; the volute 131 sequentially comprises a stainless steel layer 131a, a buffer layer 131b, a sound absorption layer 131c and a porous plate layer 131d which are sequentially bonded from outside to inside, a plurality of damping holes are arrayed on the porous plate layer 131d, the sound absorption layer 131c is filled with glass sound absorption cotton, and the buffer layer 131b is filled with composite pearl cotton; the protective frame 180 sequentially comprises a vacuum plate 181, a sound-absorbing plate 182 and a soft fiber plate 183 from inside to outside, the vacuum plate 181 is in threaded connection with the sound-absorbing plate 182, the sound-absorbing plate 182 is bonded with the soft fiber plate 183, and the sound-absorbing plate 182 is filled with glass sound-absorbing cotton.
On one hand, the base 150 is arranged at the bottom of the supporting seat 110, so that the whole system 100 is more stable, and the supporting seat 110 is connected with the base 150 through the damping spring 160 and the shock absorber 170, so as to play a role in buffering and shock absorption; in the second aspect, the shock absorbers 170 are located at four corners of the bottom of the supporting seat 110, the damping springs 160 are located between two adjacent shock absorbers 170, the shock absorbers 170 at the four corners can uniformly reduce the shock of the system 100 during operation, and the damping springs 160 play a role in buffering the shock to prevent the damage of each part of the fan 130 caused by the shock; in a third aspect, the base 150 is covered with a protective frame 180, the motor 120, the fan 130 and the transmission belt 140 are all located in the protective frame 180, the protective frame 180 sequentially comprises a vacuum plate 181, a sound-absorbing plate 182 and a soft fiber plate 183 from inside to outside, the vacuum plate 181 is in threaded connection with the sound-absorbing plate 182, the sound-absorbing plate 182 is bonded with the soft fiber plate 183, glass sound-absorbing cotton is filled in the sound-absorbing plate 182, noise generated during operation of the fan 130 is prevented from diffusing into the external environment through the protective frame 180, a noise reduction function is achieved, the protective frame 180 firstly isolates sound generated by the fan 130 through the vacuum plate 181, then sound waves are absorbed through the sound-absorbing plate 182, and finally the sound waves are blocked through the soft fiber plate 183 to prevent the sound waves from diffusing into the outside, and the noise reduction effect is good. In a fourth aspect, the fan 130 includes a volute 131 and an air duct 132, the air duct 132 penetrates the protection frame 180 and enters the outside of the protection frame 180, the volute 131 sequentially includes a stainless steel layer 131a, a buffer layer 131b, a sound absorption layer 131c and a porous plate layer 131d which are sequentially bonded from outside to inside, a plurality of damping holes are arranged on the porous plate layer 131d in an array manner, glass sound absorption cotton is filled in the sound absorption layer 131c, composite pearl cotton is filled in the buffer layer 131b, the main body of the volute 131 is the stainless steel layer 131a, the damping holes of the internal porous plate layer 131d rub with sound in a sound wave transmission process through the damping holes, the energy of the sound wave is consumed, so that the energy of the sound wave penetrating through the system 100 is weakened, the glass cotton of the sound absorption layer 131c absorbs the sound wave through the sound absorption glass cotton, the intensity of the sound wave transmitted to the outside of the system 100 is further reduced, and the buffer layer 131b adopts the, firstly, the vibration of the operation of the fan 130 is buffered, secondly, the sound wave is absorbed, and the functions of noise reduction and shock absorption are further achieved.
Fan 130 and motor 120 all install on the mount pad through support frame 190, and are equipped with the yielding rubber gasket 152 between support frame 190 and the supporting seat 110, and the yielding rubber gasket 152 can make the connection of support frame 190 and supporting seat 110 more stable on the one hand, prevents that system 100 from producing violent vibrations because connecting unstably, plays absorbing effect two times.
A plurality of groove 151 has been seted up to one side that base 150 deviates from supporting seat 110, and the intussuseption of groove 151 is filled with damping rubber gasket 152, and damping rubber gasket 152 can make the connection on base 150 and ground more stable on the one hand, prevents that system 100 from producing violent vibrations because connecting unstably, plays vibration/noise reduction's effect two.
The damper 170 includes a fixing base 171, a through hole is opened on an upper end cover 171a of the fixing base 171, and a lower end cover 171c of the fixing base 171 is fixedly connected with the fixing base 171 through a fastener 172; a central shaft 171d extending from the lower end cover 171c to the upper end cover 171a is arranged in the fixed seat 171, a tapered pressing block 171e is sleeved on the central shaft 171d, and the upper end of the tapered pressing block 171e is fixedly connected with the bottom of the supporting seat 110; a plurality of elastic buffering pieces 171f are arranged between the conical pressing piece 171e and the lower end cover 171c, annular compression pieces 171g are arranged between the adjacent elastic buffering pieces 171f, an annular block 171h is further arranged inside the fixed seat 171, the outer wall of the annular block 171h is in contact with the inner wall of the fixed seat 171, the inner wall of the annular block 171h is in contact with the outer wall of the conical pressing piece, a plurality of counter bores 171i are arranged on the annular block 171h, a telescopic spring 173 is arranged in each counter bore 171i, one end of each telescopic spring 173 is fixed in each counter bore 171i, and the other end of each telescopic spring 173 abuts against the upper end; the shock absorber 170 can absorb and buffer the mechanical vibration generated in the working process of the fan 130 and the motor 120, so that the damage of the mechanical vibration to the fan 130 and the motor 120 is reduced, the service life of the fan is prolonged, and the shock absorption and noise reduction effects are good.
The utility model discloses a theory of operation does:
the motor 120 generates power to drive the fan 130 to operate through the transmission belt 140, and the fan 130 discharges fresh air to the external environment through the air duct 132. In the fan 130 operation process, because centrifugal action, fan 130 can produce violent vibrations and noise, and the noise passes porous plate layer 131d in proper order and attenuates, absorbs through sound absorbing layer 131c, and the sound wave energy who passes buffer layer 131b and stainless steel layer 131a reduces greatly, then the sound wave transmits to protecting frame 180 again, gives sound insulation and inhales the sound through protecting frame 180, ensures that the outside noise of entering protecting frame 180 is less strong, and noise reduction effect is good. The vibration generated when the fan 130 operates is buffered by the buffer layer 131b of the volute 131, and then is further absorbed and damped by the damper 170 and the damping spring 160, so that the damage of mechanical vibration to the fan 130 and the motor 120 is reduced, the service life of the fan is prolonged, and the damping and noise reducing effects are good.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (4)
1. Warm logical engineering is with vibration/noise reduction centrifugal fan installing the system, its characterized in that: the vibration absorber comprises a supporting seat, a motor, a fan, a transmission belt and a base, wherein the motor and the fan are arranged on the supporting seat, the transmission belt is connected with the motor and the fan, the base is positioned at the bottom of the supporting seat, the supporting seat is connected with a vibration absorber through a damping spring, the vibration absorber is positioned at four corners of the bottom of the supporting seat, and the damping spring is positioned between two adjacent vibration absorbers; a protective frame is covered outside the base, and the motor, the fan and the transmission belt are all positioned in the protective frame; the fan comprises a volute and an air duct, and the air duct penetrates through the protective frame and enters the outside of the protective frame; the volute comprises a stainless steel layer, a buffer layer, a sound absorption layer and a porous plate layer which are sequentially bonded from outside to inside, wherein a plurality of damping holes are arrayed on the porous plate layer, glass sound absorption cotton is filled in the sound absorption layer, and composite pearl cotton is filled in the buffer layer; the protective frame comprises a vacuum plate, an acoustical panel and a soft fiberboard from inside to outside in sequence, the vacuum plate is in threaded connection with the acoustical panel, the acoustical panel is bonded with the soft fiberboard, and glass acoustical cotton is filled in the acoustical panel.
2. The heating and ventilation engineering damping and noise reducing centrifugal fan mounting system according to claim 1, characterized in that: the fan and the motor are both installed on the installation seat through the support frame, and a damping rubber gasket is arranged between the support frame and the support seat.
3. The heating and ventilation engineering damping and noise reducing centrifugal fan mounting system according to claim 2, characterized in that: a plurality of groove has been seted up to one side that the base deviates from the supporting seat, and the recess intussuseption is filled with the yielding rubber gasket.
4. The heating and ventilation engineering damping and noise reducing centrifugal fan mounting system according to claim 3, characterized in that: the shock absorber comprises a fixed seat, a through hole is formed in an upper end cover of the fixed seat, and a lower end cover of the fixed seat is fixedly connected with the fixed seat through a fastener; a central shaft extending from the lower end cover to the upper end cover is arranged in the fixed seat, a conical pressing block is sleeved on the central shaft, and the upper end of the conical pressing block is fixedly connected with the bottom of the supporting seat; be provided with a plurality of elastomeric cushioning spare between toper briquetting and the lower end cover, be provided with annular compression piece between the adjacent elastomeric cushioning spare, the inside of fixing base still is provided with the annular piece, the outer wall of annular piece and the inner wall contact of fixing base, the inner wall of annular piece and the outer wall contact of shape briquetting are provided with a plurality of counter bores on the annular piece, are provided with expanding spring in the counter bore, expanding spring one end is fixed in the counter bore, the other end and upper end cover butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440032.4U CN211290505U (en) | 2019-12-30 | 2019-12-30 | Damping and noise-reducing centrifugal fan mounting system for heating and ventilation engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922440032.4U CN211290505U (en) | 2019-12-30 | 2019-12-30 | Damping and noise-reducing centrifugal fan mounting system for heating and ventilation engineering |
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| Publication Number | Publication Date |
|---|---|
| CN211290505U true CN211290505U (en) | 2020-08-18 |
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| CN201922440032.4U Expired - Fee Related CN211290505U (en) | 2019-12-30 | 2019-12-30 | Damping and noise-reducing centrifugal fan mounting system for heating and ventilation engineering |
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| CN (1) | CN211290505U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565800A (en) * | 2021-06-11 | 2021-10-29 | 蓬莱中柏京鲁船业有限公司 | Intelligent remote control device for marine pump set and use method thereof |
-
2019
- 2019-12-30 CN CN201922440032.4U patent/CN211290505U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113565800A (en) * | 2021-06-11 | 2021-10-29 | 蓬莱中柏京鲁船业有限公司 | Intelligent remote control device for marine pump set and use method thereof |
| CN113565800B (en) * | 2021-06-11 | 2023-08-25 | 蓬莱中柏京鲁船业有限公司 | Intelligent remote control device for ship pump set and application method thereof |
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Granted publication date: 20200818 |