CN220712139U - Noise reduction ventilation device special for grain depot - Google Patents
Noise reduction ventilation device special for grain depot Download PDFInfo
- Publication number
- CN220712139U CN220712139U CN202322323302.XU CN202322323302U CN220712139U CN 220712139 U CN220712139 U CN 220712139U CN 202322323302 U CN202322323302 U CN 202322323302U CN 220712139 U CN220712139 U CN 220712139U
- Authority
- CN
- China
- Prior art keywords
- shell
- power box
- silencing
- noise
- grain depot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009423 ventilation Methods 0.000 title claims abstract description 18
- 230000030279 gene silencing Effects 0.000 claims abstract description 29
- 239000010410 layer Substances 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims abstract description 10
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 238000013016 damping Methods 0.000 claims description 12
- 230000003584 silencer Effects 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 8
- 239000003973 paint Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011490 mineral wool Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
Abstract
The utility model relates to the technical field of grain depot ventilation, in particular to a special silencing ventilation device for a grain depot, which comprises a shell; a muffler pipe provided at the left end of the housing; the mounting frame is arranged at the right end of the shell, the top end of the mounting frame is fixedly provided with a power box, and a motor is arranged in the power box; an air inlet is formed in the left end of the shell, and an air outlet is formed in the bottom of the front face of the shell: according to the utility model, the silencing pipe, the air inlet pipe and the silencing filling layer are arranged, so that wind power enters from the air inlet, silencing operation is performed through the silencing pipe at first, noise during air inlet is reduced, and the silencing filling layer is filled at the inner and outer interlayer of the silencing pipe, the inner side of the shell and the inner and outer interlayer of the power box, so that noise transmission and penetration can be effectively reduced, noise interference in adjacent areas can be effectively isolated, and further sound absorption and isolation performance of the silencing pipe, the shell and the power box can be enhanced.
Description
Technical Field
The utility model relates to the technical field of grain depot ventilation, in particular to a special silencing ventilation device for a grain depot.
Background
Grain depot is a place for storing a large amount of grains, ventilation is very important in order to maintain the quality of grains and prevent fire, mildew and the like, and ventilation of grain depot generally refers to a specific type of fans for a ventilation system of grain depot, which are used for generating air flow to maintain proper humidity and temperature in grain storage environment and reduce the problems of humidity, mildew and insect damage in grain storage process.
However, conventional ventilation devices typically produce high noise levels during operation, which adversely affect the efficiency and health of the personnel, which may result from fan rotation, friction between the wind flow and the duct, air flow, etc.;
secondly, current ventilation unit installs the motor inside the device generally, produces the vibration easily and conducts to on the whole device, and the operation of motor often can cause the vibration of device, and then produces the impact to grain depot structure, probably leads to the deformation or the damage of grain heap, and in addition, the vibration still can cause other trouble, influences ventilation unit's stability and life-span.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the special silencing and ventilating device for the grain depot, which solves the problems of larger noise and larger vibration force and incapability of stabilizing the existing silencing and ventilating device.
(II) technical scheme
In order to achieve the purposes of eliminating noise and reducing vibration, the utility model provides the following technical scheme: comprising the following steps:
a housing;
a muffler pipe provided at a left end of the housing;
the mounting frame is arranged at the right end of the shell, a power box is fixedly arranged at the top end of the mounting frame, and a motor is arranged in the power box;
the left end of the shell is provided with an air inlet, and the front bottom of the shell is provided with an air outlet.
Optionally, the air inlet is concave, and the diameter of the air inlet gradually decreases from outside to inside.
Optionally, a rotating rod is arranged in the middle of the inside of the shell, the output end of the motor penetrates through the right end of the shell, and the rotating rod is fixedly connected with the output end of the motor.
Optionally, the surface nest of dwang installs the flabellum, the surface of flabellum all brush and have the coating of making an uproar that falls, the coating of making an uproar is the acoustic paint material.
Optionally, the muffler pipe is horizontal cavity setting, the external diameter of muffler pipe with the external diameter of air intake is unanimous, the right-hand member of muffler pipe with the left end fixed connection of air intake.
Optionally, the left and right ends of the power box are nested and provided with mounting plates fixedly connected with the top end of the mounting rack, the bottom of the power box is provided with a mounting plate, and the motor is fixedly mounted at the upper end of the mounting plate.
Optionally, the bottom equidistance of mounting panel arrange be provided with damping spring with the inside bottom fixed connection of headstock, the right-hand member fixedly connected with buffer board of motor, the right-hand member of buffer board be provided with two shock attenuation poles with the inside right-hand member fixed connection of headstock.
Optionally, the inner and outer interlayer of the silencing pipe, the inner side of the shell and the inner and outer interlayer of the power box are filled with silencing filling layers, and the silencing filling layers are made of mineral cotton.
(III) beneficial effects
Compared with the prior art, the utility model provides the special silencing and ventilating device for the grain depot, which has the following beneficial effects:
1. according to the utility model, the silencing pipe, the air inlet pipe and the silencing filling layer are arranged, and wind power enters from the air inlet, firstly, the silencing operation is carried out through the silencing pipe, so that noise during air inlet is reduced, the air inlet is gradually reduced and matched with the use of the silencing pipe, the noise before air inlet can be further reduced, and the silencing filling layer is filled at the inner and outer interlayer of the silencing pipe, the inner side of the shell and the inner and outer interlayer of the power box, so that noise transmission and penetration can be effectively reduced, noise interference in adjacent areas can be effectively isolated, and further, the sound absorption and isolation performances of the silencing pipe, the shell and the power box can be enhanced;
2. according to the utility model, the mounting plate and the buffer plate are arranged in the power box, the damping springs at the bottom end of the mounting plate are used for damping and buffering the bottom of the motor, and meanwhile, the buffer plate can be used for effectively buffering the right end of the motor by means of the two damping rods.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of an air intake and muffler according to the present utility model;
FIG. 3 is a schematic diagram of the overall internal structure of the present utility model;
FIG. 4 is a schematic diagram of a fan according to the present utility model;
in the figure: 1. a housing; 101. an air inlet; 102. an air outlet; 2. a rotating lever; 201. a fan blade; 202. a noise reduction coating; 3. a muffler pipe; 4. a mounting frame; 5. a power box; 501. a mounting plate; 502. a damping spring; 503. a buffer plate; 504. a shock-absorbing rod; 505. a mounting piece; 6. a motor; 7. and (5) a silencing filling layer.
Detailed Description
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 to 4, an embodiment of the present utility model provides a technical solution: comprising the following steps: a housing 1; a muffler pipe 3 provided at the left end of the housing 1; the mounting frame 4 is arranged at the right end of the shell 1, the top end of the mounting frame 4 is fixedly provided with a power box 5, and a motor 6 is arranged in the power box 5; the air intake 101 has been seted up to the left end of shell 1, the positive bottom of shell 1 is provided with air outlet 102, wherein, the inside middle part of shell 1 is provided with dwang 2, the output of motor 6 runs through the right-hand member setting of shell 1, dwang 2 and the output fixed connection of motor 6, flabellum 201 is installed to the surface nest of dwang 2, when the device is used, at first the inside motor 6 start-up of headstock 5 drives dwang 2 rotation, dwang 2 drives flabellum 201 rotation and carries out the air inlet, wind-force gets into inside shell 1 from air intake 101 and then carries out the air-out through the air outlet 102 of flabellum rotation bottom, wind-force gets into the front from air intake 101, at first carries out the amortization operation and then noise when reducing the inlet through the muffler 3.
Based on the above embodiment, in this embodiment, the air inlet 101 is concavely disposed, and the diameter of the air inlet 101 gradually decreases from outside to inside, so that the contact surface between the wind power and the air inlet 101 is wider before the wind power enters the housing 1, and the air inlet 101 gradually decreases to match with the use of the muffler 3, so that the noise before the wind power is further reduced.
On the basis of the above embodiment, in this embodiment, the outer surface of the fan blade 201 is brushed with the noise reduction coating 202, the noise reduction coating 202 is made of a sound absorption paint, noise is generated when the fan blade 201 rotates and air is brushed with the noise reduction coating 202 to reduce the noise, the sound absorption paint is a paint with sound absorption property, the main components of the paint generally comprise a polymer matrix and sound absorption particles, and the special formula of the sound absorption paint can absorb and disperse sound waves, so that reflection and propagation of the noise are reduced, the noise is further reduced, and the noise reduction effect is achieved.
On the basis of the above embodiment, in this embodiment, the silencer 3 is disposed transversely and hollow, the outer diameter of the silencer 3 is identical to the outer diameter of the air inlet 101, the right end of the silencer 3 is fixedly connected with the left end of the air inlet 101, the silencer 3 is disposed to reduce noise effectively before air enters the air inlet, wind power firstly passes through the silencer 3 when entering the casing 1, the silencer 3 is longer, and noise generated by wind power movement can be effectively eliminated inside the silencer 3.
On the basis of the above embodiment, in this embodiment, the left and right ends of the power box 5 are all nested and installed with the mounting plate 505 and the top end fixed connection of the mounting frame 4, the inside bottom of the power box 5 is provided with the mounting plate 501, the motor 6 is fixedly installed at the upper end of the mounting plate 501, the power box 5 can be fixed at the upper end of the mounting frame 4 by using the mounting plate 505 and the mounting frame 4, and the motor 6 can support and absorb vibration together by depending on the mounting frame 4 when vibrating.
On the basis of the above embodiment, in this embodiment, the bottom of the mounting plate 501 is equidistantly arranged and provided with the damping springs 502 and the inside bottom fixed connection of the power box 5, the right end fixedly connected with buffer plate 503 of motor 6, the right end of buffer plate 503 is provided with two damping rods 504 and the inside right end fixed connection of power box 5, when motor 6 vibrates, firstly, damping springs 502 at the bottom of mounting plate 501 cushion the bottom of motor 6, meanwhile, the right end of motor 6 can be effectively buffered by means of two damping rods 501 at buffer plate 503, after the damping operation is carried out in two modes, the vibration force reaches a minimum state, and the vibration force is small so that the operation of power box 5 can be more mute.
On the basis of the above embodiment, in this embodiment, the inner and outer interlayers of the muffler pipe 3, the inner side of the housing 1 and the inner and outer interlayers of the power box 5 are all filled with the muffler filling layer 7, the muffler filling layer 7 is made of mineral wool, the mineral wool is used as a filling material, and has good sound absorption property, can effectively absorb sound wave energy, reduce the propagation and reflection of noise, can absorb high-frequency and low-frequency sounds including air noise, mechanical noise, acoustic vibration and the like, and the mineral wool is used as a high-density material, has a certain sound insulation effect, can reduce the transmission and penetration of noise, effectively isolate noise interference of adjacent areas, and further can enhance the sound absorption and sound insulation performance of the muffler pipe 3, the housing 1 and the power box 5.
Claims (8)
1. A special amortization ventilation unit of grain depot, characterized by comprising:
a housing (1);
a muffler pipe (3) provided at the left end of the housing (1);
the mounting frame (4) is arranged at the right end of the shell (1), a power box (5) is fixedly arranged at the top end of the mounting frame (4), and a motor (6) is arranged in the power box (5);
an air inlet (101) is formed in the left end of the shell (1), and an air outlet (102) is formed in the bottom of the front face of the shell (1).
2. The noise-reducing and ventilation device special for grain depot according to claim 1, wherein: the air inlet (101) is arranged in a concave manner, and the diameter of the position of the air inlet (101) is gradually reduced from outside to inside.
3. The noise-reducing and ventilation device special for grain depot according to claim 1, wherein: the rotary rod (2) is arranged in the middle of the inside of the shell (1), the output end of the motor (6) penetrates through the right end of the shell (1), and the rotary rod (2) is fixedly connected with the output end of the motor (6).
4. A special noise-reducing ventilating device for grain depot according to claim 3, wherein: the outer surface of the rotating rod (2) is provided with fan blades (201) in a nested mode, noise reduction coatings (202) are brushed on the outer surfaces of the fan blades (201), and the noise reduction coatings (202) are made of sound absorption paint.
5. The noise-reducing and ventilation device special for grain depot according to claim 1, wherein: the silencer pipe (3) is transversely hollow, the outer diameter of the silencer pipe (3) is identical to the outer diameter of the air inlet (101), and the right end of the silencer pipe (3) is fixedly connected with the left end of the air inlet (101).
6. The noise-reducing and ventilation device special for grain depot according to claim 1, wherein: the power box is characterized in that mounting plates (505) are mounted at the left end and the right end of the power box (5) in a nested mode and fixedly connected with the top end of the mounting frame (4), a mounting plate (501) is arranged at the bottom of the power box (5), and a motor (6) is fixedly mounted at the upper end of the mounting plate (501).
7. The special silencing and ventilating device for grain depot according to claim 6, wherein: the motor is characterized in that damping springs (502) are arranged at the bottom end of the mounting plate (501) at equal intervals and fixedly connected with the inner bottom end of the power box (5), a buffer plate (503) is fixedly connected with the right end of the motor (6), and two damping rods (504) are arranged at the right end of the buffer plate (503) and fixedly connected with the inner right end of the power box (5).
8. The noise-reducing and ventilation device special for grain depot according to claim 1, wherein: the silencing pipe is characterized in that silencing filling layers (7) are filled at the inner and outer interlayer of the silencing pipe (3), the inner side of the shell (1) and the inner and outer interlayer of the power box (5), and the silencing filling layers (7) are made of mineral cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323302.XU CN220712139U (en) | 2023-08-29 | 2023-08-29 | Noise reduction ventilation device special for grain depot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322323302.XU CN220712139U (en) | 2023-08-29 | 2023-08-29 | Noise reduction ventilation device special for grain depot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220712139U true CN220712139U (en) | 2024-04-05 |
Family
ID=90488333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322323302.XU Active CN220712139U (en) | 2023-08-29 | 2023-08-29 | Noise reduction ventilation device special for grain depot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220712139U (en) |
-
2023
- 2023-08-29 CN CN202322323302.XU patent/CN220712139U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |