CN203560169U - Shock-absorbing and noise-reducing device for blower - Google Patents
Shock-absorbing and noise-reducing device for blower Download PDFInfo
- Publication number
- CN203560169U CN203560169U CN201320621018.4U CN201320621018U CN203560169U CN 203560169 U CN203560169 U CN 203560169U CN 201320621018 U CN201320621018 U CN 201320621018U CN 203560169 U CN203560169 U CN 203560169U
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- cylindrical shell
- fitting surface
- damper element
- base
- shock
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Abstract
The utility model relates to the technical field of shock absorption and noise reduction and particularly relates to a shock-absorbing and noise-reducing device for an axial-flow type blower used on vessels. The device comprises a fixing seat used for mounting and fixing the blower and a base arranged below the fixing seat, wherein the base supports the fixing seat through at least one first shock-absorbing element. The shock-absorbing and noise-reducing device has a simple structure, and is safe and reliable and plays a relatively good shock-absorbing and noise reducing effect.
Description
Technical field:
The utility model relates to damping noise reduction technical field, relates in particular to a kind of damped noise reduction device for the axial fan on boats and ships.
Background technique:
Ship noise refers to the uncomfortable sound that makes us that the dynamic power machine (main frame, subsidiary engine, propeller cavitation, propulsion system etc.) of boats and ships and Aided Machine (pump, blower fan etc.) send when operation.
As the blower fan of boats and ships Aided Machine, although its operate power is less with respect to main frame, propeller cavitation etc., noise intensity is also relatively low, but still can be to crewman self work living environment and healthy impacting.Especially Fan Equipment is arranged on while closing near operator cabin or main cabin, work chamber, easily causes serious noise interference.
Meanwhile, the vibration source that produces noise is one of root causing Ship Structure fatigue damage, and working life and Security to boats and ships make a big impact.So, how to adopt vibration and noise reducing measure, reduce the Ship Structure vibration being caused by vibration source, airborne noise and the construct noise that reduction is caused by noise source, just seem meaningful especially.
Not yet find that there is at present the embodiment comparatively perfect to the damping noise reduction of axial fan.
Model utility content:
The purpose of this utility model is to provide a kind of fan shock-absorbing denoising device.It is simple in structure, safe and reliable, can play good damping noise reduction effect.
The technological scheme of a kind of fan shock-absorbing denoising device described in the utility model is achieved in that
A kind of fan shock-absorbing denoising device, is characterized in that: it comprises a base of fixing the fixed base of blower fan and being located at fixed base below for installing, and base supports fixed base by least one first damper element.
A kind of fan shock-absorbing denoising device described in the utility model compared with prior art tool has the following advantages:
1. a kind of fan shock-absorbing denoising device described in the utility model is simple in structure, only need the fixed base of fixing blower fan to divide and be arranged with the base that is fixed on cabin deck, and connect by least one first damper element, can realize the damping noise reduction object of blower fan, easy to assembly;
2. described in, base supports fixed base by the first damper element, can eliminate to the full extent the vibration (hereinafter referred to as longitudinal vibration) of the vertical direction that blower fan causes, simultaneously, the vibration (hereinafter referred to as horizontal vibration) that can reduce to a certain extent the substantially horizontal that blower fan causes, has good damping noise reduction effect;
3. the longitudinal vibration and the horizontal vibration that by eliminating or alleviate blower fan, cause, alleviated the impact that vibrations cause Ship Structure, extended the working life of boats and ships.
Fixed base described above comprises a top board, and base comprises a press table, and described the first damper element is located between top board and press table, and press table supports top board by the first damper element.Damper element by screw or be bolted to top board and/or press table on, prevent in vibrations process occurrence positions skew between top board, press table and damper element, safe and reliable.
Fixed base described above comprise at least one vertically or the first fitting surface being obliquely installed, described base comprises at least one the second fitting surface that mates setting with the first fitting surface, between the first fitting surface and the second fitting surface, leave gap, this gap location is provided with the second damper element, the second damper element while and the first fitting surface and the second fitting surface close contact.The first fitting surface and the second fitting surface are along vertical or true dip direction setting, make the second damper element can farthest offset the active force in the substantially horizontal that blower fan causes, eliminate the horizontal vibration that blower fan causes, also can reduce to a certain extent longitudinal vibration that blower fan causes simultaneously.Coordinate the first damper element can play better effects.
Fixed base described above also comprises the first cylindrical shell that is connected in top board below, base also comprises the second cylindrical shell that is connected in press table top, the first fitting surface is positioned at the first cylinder inboard wall face, the second fitting surface is positioned at the second cylinder body outer wall face, and the second damper element is located between the first cylindrical shell and the second cylindrical shell and while and the first cylindrical shell and the second cylindrical shell close contact.The first cylindrical shell, the second cylindrical shell are fixedly connected with top board, press table respectively by the mode of welding, and the second cylindrical shell embeds the first inner barrel, are filled with the second damper element in gap location simultaneously, and structure is more solid and reliable.
Base described above also comprises the 3rd cylindrical shell that is connected in press table top, the 3rd cylindrical shell is positioned at the second cylindrical shell outside, the 3rd cylindrical shell comprises the 3rd fitting surface of the 3rd cylinder inboard wall face that is positioned at, the first cylindrical shell comprises the 4th fitting surface of the first cylinder body outer wall face that is positioned at, between the 3rd fitting surface and the 4th fitting surface, leave gap, this gap location is provided with the 3rd damper element, the 3rd damper element while and the 3rd fitting surface and the 4th fitting surface close contact.The 3rd cylindrical shell is fixedly connected with press table by the mode of welding, and the 3rd cylindrical shell is positioned at the first cylindrical shell outside, is filled with the 3rd damper element in gap location simultaneously, has further strengthened the damping effect of whole device, makes structure further firm simultaneously.
The top board of fixed base described above also all offers in the second cylindrical shell middle part the vent hole that enters or discharge for the gas of blower fan driving in the press table of the first cylindrical shell middle part, base.Axial fan is fixed on middle side part on top board, and the gas that blower fan is driven can enter or discharge blower fan smoothly, in damping noise reduction, does not affect the operational effect of blower fan.
The first damper element described above is rubber cushion blocks, and the quantity of the first damper element is four.
The second damper element described above, the 3rd damper element are rubber seal.Rubber seal not only has the effect of damping noise reduction, be conducive to seal the gap between the first cylindrical shell and the second cylindrical shell simultaneously, make to form the sealing channel that an air driving for blower fan enters or discharges in the middle of the first cylindrical shell, the second entire body, in order to avoid affect blower fan usefulness.
Accompanying drawing explanation:
Below in conjunction with accompanying drawing, the utility model is described in detail:
Fig. 1 is the structural representation that a kind of fan shock-absorbing denoising device described in the utility model is connected with blower fan;
Fig. 2 is the partial structurtes schematic diagram of a kind of fan shock-absorbing denoising device described in the utility model;
Fig. 3 is the structural representation that the top board of a kind of fan shock-absorbing denoising device described in the utility model is connected with the first cylindrical shell;
Fig. 4 is the structural representation that the press table of a kind of fan shock-absorbing denoising device described in the utility model is connected with the second cylindrical shell, the 3rd cylindrical shell;
Fig. 5 is the plan view of the first damper element of a kind of fan shock-absorbing denoising device described in the utility model;
Fig. 6 is the plan view of the first damper element of a kind of fan shock-absorbing denoising device described in the utility model;
Fig. 7 is the blast view of Fig. 1.
Embodiment:
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of fan shock-absorbing denoising device, it comprise the fixed base 1 for fixing blower fan is installed and be located at fixed base below, with the fixing base 2 of hull, fixed base comprises a top board 11 and is arranged at the first cylindrical shell 12 of top board below, and base comprises a press table 21 and is arranged at the second cylindrical shell 22 and the 3rd cylindrical shell 23 of press table 21 tops.Blower fan 3 is fixed on top board 11 upper center.Top board 11 in the first cylindrical shell 12 middle parts, press table 21 offers respectively the vent hole 4 that the air that drives for described blower fan 3 flows into or discharges in the second cylindrical shell middle part 22.
The first cylindrical shell 12, the second cylindrical shell 22, the 3rd cylindrical shell 23 are fixed on top board 11, press table 12 by the mode of welding respectively.
Between described top board 11 and press table 12, be also provided with four the first damper elements 5, described base 2 supports fixed base 1 by the first damper element 5.The first damper element 5 comprises for the assembly department 51 of set screw and for through hole 52, the first damper elements that bolt is set and being connected with top board 11 by assembly department 51, by each through hole 52, is locked in press table 21 and hull structure.Prevent that blower fan 3 is when work, vibrations make occurrence positions skew between top board 11, press table 12 and the first damper element 5.
Described the first cylindrical shell 12 is positioned at the second cylindrical shell 22 outsides, the 3rd cylindrical shell 23 is positioned at the first cylindrical shell 12 outsides, and fixed base forms the first fitting surface 121 in the first cylindrical shell 12 internal faces, in the first cylinder body outer wall face, forms the 4th fitting surface 122; Base forms the second fitting surface 221 in the second cylindrical shell 22 outer wall, in the 3rd cylindrical shell 23 internal faces, forms the 3rd fitting surface 231.
Between the first fitting surface 121 and the second fitting surface 221, the 3rd fitting surface 231 and the 4th fitting surface 122, all leave gap.One second damper element 6 is arranged at the gap location between the first fitting surface 121 and the second fitting surface 221, and while and the first fitting surface 121, the second fitting surface 221 close contacts; One the 3rd damper element 7 is arranged at the gap location between the 3rd fitting surface 231 and the 4th fitting surface 122, and while and the 3rd fitting surface 231, the 4th fitting surface 122 close contacts.
By the first damper element 5 is set, can offset most of active force of the vertical direction of blower fan to whole device, make to eliminate to the full extent longitudinal vibration of whole device, alleviate to a certain extent the horizontal vibration of whole device; By the second damper element 6, the 3rd damper element 7 are set, the most of active force that can offset the substantially horizontal of blower fan to whole device, makes to have eliminated to the full extent the horizontal vibration of whole device, has alleviated to a certain extent longitudinal vibration of whole device.All damper element actings in conjunction can be offset blower fan to the full extent to the active force in whole device all directions, effectively reach damping noise reduction effect.
Described the first damper element 5 is rubber cushion blocks, and the second damper element 6, the 3rd damper element 7 are rubber seal.
Be a kind of mode of execution providing in conjunction with particular content as mentioned above, can not assert that concrete enforcement of the present utility model is confined to these explanations.As described in the vibration-absorptive material that is not limited only in four, the first damper element, the second damper element of the quantity of the first damper element be not limited only to rubber etc.All approximate, identical with the utility model method, structure etc., or for making some technology deduction or replace under model utility design prerequisite, all should be considered as protection domain of the present utility model.
Claims (8)
1. a fan shock-absorbing denoising device, is characterized in that: it comprises a base of fixing the fixed base of blower fan and being located at fixed base below for installing, and base supports fixed base by least one first damper element.
2. a kind of fan shock-absorbing denoising device according to claim 1, it is characterized in that: described fixed base comprises a top board, base comprises a press table, and described the first damper element is located between top board and press table, and press table supports top board by the first damper element.
3. a kind of fan shock-absorbing denoising device according to claim 1 and 2, it is characterized in that: described fixed base comprise at least one vertically or the first fitting surface being obliquely installed, described base comprises at least one the second fitting surface that mates setting with the first fitting surface, between the first fitting surface and the second fitting surface, leave gap, this gap location is provided with the second damper element, the second damper element while and the first fitting surface and the second fitting surface close contact.
4. a kind of fan shock-absorbing denoising device according to claim 3, it is characterized in that: described fixed base also comprises the first cylindrical shell that is connected in top board below, base also comprises the second cylindrical shell that is connected in press table top, the first fitting surface is positioned at the first cylinder inboard wall face, the second fitting surface is positioned at the second cylinder body outer wall face, and the second damper element is located between the first cylindrical shell and the second cylindrical shell and while and the first cylindrical shell and the second cylindrical shell close contact.
5. a kind of fan shock-absorbing denoising device according to claim 4, it is characterized in that: described base also comprises the 3rd cylindrical shell that is connected in press table top, the 3rd cylindrical shell is positioned at the second cylindrical shell outside, the 3rd cylindrical shell comprises the 3rd fitting surface of the 3rd cylinder inboard wall face that is positioned at, the first cylindrical shell comprises the 4th fitting surface of the first cylinder body outer wall face that is positioned at, between the 3rd fitting surface and the 4th fitting surface, leave gap, this gap location is provided with the 3rd damper element, the 3rd damper element while and the 3rd fitting surface and the 4th fitting surface close contact.
6. a kind of fan shock-absorbing denoising device according to claim 5, is characterized in that: the top board of fixed base also all offers in the second cylindrical shell middle part the vent hole that enters or discharge for the gas of blower fan driving in the press table of the first cylindrical shell middle part, base.
7. a kind of fan shock-absorbing denoising device according to claim 6, is characterized in that: described the first damper element is rubber cushion blocks, the quantity of the first damper element is four.
8. a kind of fan shock-absorbing denoising device according to claim 6, is characterized in that: described the second damper element, the 3rd damper element are rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621018.4U CN203560169U (en) | 2013-10-09 | 2013-10-09 | Shock-absorbing and noise-reducing device for blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320621018.4U CN203560169U (en) | 2013-10-09 | 2013-10-09 | Shock-absorbing and noise-reducing device for blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203560169U true CN203560169U (en) | 2014-04-23 |
Family
ID=50509892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320621018.4U Withdrawn - After Issue CN203560169U (en) | 2013-10-09 | 2013-10-09 | Shock-absorbing and noise-reducing device for blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203560169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470537A (en) * | 2013-10-09 | 2013-12-25 | 广新海事重工股份有限公司 | Damping and noise reduction device of fan |
| CN105836091A (en) * | 2015-01-17 | 2016-08-10 | 广新海事重工股份有限公司 | Shock-absorbing and rainproof device for exhaust pipe |
-
2013
- 2013-10-09 CN CN201320621018.4U patent/CN203560169U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470537A (en) * | 2013-10-09 | 2013-12-25 | 广新海事重工股份有限公司 | Damping and noise reduction device of fan |
| CN105836091A (en) * | 2015-01-17 | 2016-08-10 | 广新海事重工股份有限公司 | Shock-absorbing and rainproof device for exhaust pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140423 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |