CN1038147A - A kind of structure of sound absorption and noise reduction of gear drive - Google Patents
A kind of structure of sound absorption and noise reduction of gear drive Download PDFInfo
- Publication number
- CN1038147A CN1038147A CN 88105416 CN88105416A CN1038147A CN 1038147 A CN1038147 A CN 1038147A CN 88105416 CN88105416 CN 88105416 CN 88105416 A CN88105416 A CN 88105416A CN 1038147 A CN1038147 A CN 1038147A
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- gear
- sound
- sound absorption
- noise reduction
- noise
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Abstract
The present invention is a kind of structure of sound absorption and noise reduction of gear drive.For reducing with the control gear transmission device because of when engagement because bump friction etc. are former thereby the noise that produces the special-purpose acoustic hood of current normal employing; Well-designed gear-box or raising gear contact precision; Sound insulation such as vibration attenuation vibration absorbing measures though they have certain effect, because of its technology and narrow limitation economically, are difficult on the various gear drives and generally use.The present invention adopts sound-absorbing material, and directly the principle from the radiation of sound source sound absorption minimizing acoustic energy realizes noise abatement.It provides a kind of economically with technical all desirable, can be widely used in the simple and easy to do and effectual structure of sound absorption and noise reduction on the various gear drives.
Description
The present invention relates to the structure of sound absorption and noise reduction of a kind of structure of sound absorption and noise reduction, particularly gear drive.
In current high efficiency machinery, gear driving pair as one of main transmission component, produce along with the increase of rotating speed, give off increasing, during because of gear engagement because bump, friction etc. are former thereby the noise that produces, so how to reduce to have become a current important topic of curbing environmental pollution with the control gear noise.The measure that is usually used in the control gear noise is as adopting special-purpose device-acoustic hood; The precision of well-designed gear-box or raising gear driving pair; Vibration attenuation measure etc., though certain effect is arranged, because its economic or technical narrow limitation is difficult on the various gear drives and generally uses.
In view of the foregoing, task of the present invention provide a kind of economically with technical all desirable, easy effectual, various gear drives all are suitable for, structure of sound absorption and noise reduction.
The present invention adopts directly from the sound source sound absorption, to reduce the principle of acoustic energy radiation, promptly by at the inoperative surface of gear sticking sound-absorbing material, and with backplate the method for its sealing is realized and keep sound absorption, noise reduction effect.
Below with reference to accompanying drawing the present invention is further described:
Fig. 1 is the double concave type gear, the sound absorption structure sectional view of sticking (putting) sound-absorbing material in two sides and plate shaped backplate.
Fig. 2 is plate gear, the sound absorption structure sectional view of sticking (putting) sound-absorbing material in two sides and convex backplate.
Fig. 3 is single matrix gear, the sound absorption structure sectional view of sticking (putting) sound-absorbing material of one side and spill backplate.
As shown in the figure, earlier with the surperficial degreasing of the inoperative of gear, and clean back baking (drying in the air) with washing agent and do, evenly coat Bond at the position of the sticking sound-absorbing material (1) of need again, will be stained with bonded part shape, sound-absorbing material (1) that size is suitable then, backplate (2) is bonded at the outside of sound-absorbing material (1) with same method, sound-absorbing material is closed in wherein, in order to avoid putty stains, influence acoustically effective, can also play the sound insulation effect simultaneously.When paste on the edge of backplate (2) and gear inoperative surface the intermediate portion can be adjacent to sound-absorbing material (1), compacting.It is fixed that the shape of backplate (2) is generally come according to the space permission of gear inoperative surface in device, and plate shaped, convex shape and concave shape are arranged.The also methods such as bolton of available machinery of combining on backplate (2) and gear inoperative surface reach the effect of airtight sound-absorbing material (1).
Sound-absorbing material (1) selection range broad as long as according to the gear noise spectral characteristic that records, determine peak sound pressure level frequency, again according to the acoustic absorptivity table of material, is selected the higher material of this frequency acoustic absorptivity, and is taken all factors into consideration by its price.
According to the operating temperature of gear, backplate (2) selects for use the metallic material or the nonmetallic material of the certain operating temperature of ability, corrosion resistant to make.
Sound-absorbing material (1) can glue (putting) in one or both sides according to the space permission of gear inoperative surface in device.
The thickness of sound-absorbing material (1) can be determined according to sticking space permission and the concrete structure situation of position in device of putting in gear inoperative surface, and is generally thick more good more.
When the present invention tests on the S195 diesel engine, be used for timing gear and driving gear, measure under the condition of reverberant field, its effect is compared with original structure and can be made the Diesel Engine Complete Machine noise drop to 95.5 decibels (A) from 96.6 decibels (A), 1～1.3 decibel (A) of complete machine noise decline.
The present invention is applicable to that it can not change the structural parameters of former machine design and realize noise reduction, has guaranteed the general exchange of product take gear as transmitting any machinery of forms of motion. Enginerring works or Gear Factory use the present invention technically simple and easy to do, need not increase a lot of costs and can obtain preferably economical, societal benefits.
Claims (2)
1, the structure of sound absorption and noise reduction of gear drive is characterized in that the sticking sound-absorbing material (1) of putting on the inoperative of gear surface, and with one and the backplate (2) of gear inoperative surface binding it is enclosed in wherein.
2, the described structure of sound absorption and noise reduction of Huan ɡ is characterized in that sound-absorbing material (1) glues (putting) in one or both sides according to the space permission of gear inoperative surface in device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105416 CN1038147A (en) | 1988-05-27 | 1988-05-27 | A kind of structure of sound absorption and noise reduction of gear drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105416 CN1038147A (en) | 1988-05-27 | 1988-05-27 | A kind of structure of sound absorption and noise reduction of gear drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1038147A true CN1038147A (en) | 1989-12-20 |
Family
ID=4833610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105416 Pending CN1038147A (en) | 1988-05-27 | 1988-05-27 | A kind of structure of sound absorption and noise reduction of gear drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1038147A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359212C (en) * | 2003-12-18 | 2008-01-02 | 董祥义 | Noise-reducing gear |
| CN103133639A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Novel lubricating and noise-reducing gear |
| CN103133640A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Novel low-noise gear |
| CN103591601A (en) * | 2013-08-19 | 2014-02-19 | 陕西胜慧源信息科技有限公司 | High-calorific-value coal multi-step energy-saving burning device and method |
| CN103912669A (en) * | 2014-04-28 | 2014-07-09 | 苏州锻压厂有限责任公司 | Low-noise gear box |
| CN104265865A (en) * | 2014-09-19 | 2015-01-07 | 常州市武进金城齿轮有限公司 | Rubber noise reduction gear |
| CN109442411A (en) * | 2018-09-14 | 2019-03-08 | 清华大学 | A kind of low NO of gaseous fuel |
-
1988
- 1988-05-27 CN CN 88105416 patent/CN1038147A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359212C (en) * | 2003-12-18 | 2008-01-02 | 董祥义 | Noise-reducing gear |
| CN103133639A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Novel lubricating and noise-reducing gear |
| CN103133640A (en) * | 2013-03-01 | 2013-06-05 | 江苏保捷锻压有限公司 | Novel low-noise gear |
| CN103591601A (en) * | 2013-08-19 | 2014-02-19 | 陕西胜慧源信息科技有限公司 | High-calorific-value coal multi-step energy-saving burning device and method |
| CN103912669A (en) * | 2014-04-28 | 2014-07-09 | 苏州锻压厂有限责任公司 | Low-noise gear box |
| CN104265865A (en) * | 2014-09-19 | 2015-01-07 | 常州市武进金城齿轮有限公司 | Rubber noise reduction gear |
| CN109442411A (en) * | 2018-09-14 | 2019-03-08 | 清华大学 | A kind of low NO of gaseous fuel |
| CN109442411B (en) * | 2018-09-14 | 2020-02-21 | 清华大学 | Low-nitrogen burner for gas fuel |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |