CN212506839U - Spring resonance noise reduction device - Google Patents

Spring resonance noise reduction device Download PDF

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Publication number
CN212506839U
CN212506839U CN202020892371.6U CN202020892371U CN212506839U CN 212506839 U CN212506839 U CN 212506839U CN 202020892371 U CN202020892371 U CN 202020892371U CN 212506839 U CN212506839 U CN 212506839U
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China
Prior art keywords
noise reduction
reduction plate
spring resonance
spring
resonance noise
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CN202020892371.6U
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Inventor
李耀德
马涌涛
吴博
周竹军
彭广仁
赵迁
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Ceec Energy China North China Electric Power Test Research Institute Co ltd
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Ceec Energy China North China Electric Power Test Research Institute Co ltd
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Abstract

The utility model relates to a device of making an uproar falls in spring resonance, fall the board of making an uproar including a plurality of spring resonances, fall the board of making an uproar and enclose into a lower extreme open-ended and fall the cover of making an uproar, treat that the mechanical equipment who falls the noise is located and fall the cover of making an uproar, mechanical equipment all fixes on the floor with falling the cover of making an uproar, the board of making an uproar falls in spring resonance includes a plurality of springs of making an uproar and fall the board of making an uproar, and the one end of the spring of making an upr. The utility model discloses based on spring damping and the principle that resonance effect can consume the noise energy, realize reduction and the wall to the mechanical equipment noise. Simultaneously, the spring that adopts different materials consumes the noise of different frequencies, makes the utility model discloses the noise has extensive adaptability to most mechanical equipment.

Description

Spring resonance noise reduction device
Technical Field
The utility model relates to a technical field of making an uproar falls especially relates to a device of making an uproar falls in spring resonance.
Background
In the running process of rotating equipment in a power plant, high decibel noise is generated due to dynamic and static rubbing, air breathing and the like, so that serious noise pollution is brought to a working place, and huge psychological obstacles are caused to operating personnel. Different noise control methods are adopted, and different noise reduction effects can be received. If a common gear of the mechanical transmission part is changed into a gear with an elastic shaft sleeve, the noise can be reduced by 15-20 decibels; the riveting is changed into welding, the forging is changed into friction pressure processing and the like, and the noise can be reduced by 30-40 decibels generally.
In the building field, usually realize making an uproar with the vacuum panel, for example chinese patent (208415569U) discloses a vacuum for building outer wall and falls the thermal insulation board that makes an uproar, and this patent includes the square heat preservation chamber that is formed by the metal sheet welding of inside evacuation, its characterized in that: the square heat preservation intracavity evenly is equipped with a plurality of baffles with square heat preservation chamber integrated into one piece, the sound insulation thin layer has all been laid to the internal surface in square heat preservation chamber and the both sides of baffle, the surface coating in square heat preservation chamber has the amortization thin layer, the surface coating on sound insulation thin layer has the heat preservation thin layer, the top in square heat preservation chamber is equipped with the evacuation mouth, and the inside symmetry in square heat preservation chamber is equipped with two reinforcing pipes that run through square heat preservation chamber. This patent can only be used for building outer wall, simple structure, and is not suitable for power plant rotating equipment.
Disclosure of Invention
The utility model aims at solving the defects of the prior art and provides a spring resonance noise reduction device.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: the utility model provides a device of making an uproar falls in spring resonance, falls the board of making an uproar including a plurality of spring resonances, and a plurality of spring resonances fall the board and enclose into a lower extreme open-ended and fall the cover of making an uproar, and the mechanical equipment who waits to fall the noise is located and falls the cover of making an uproar and cover, and mechanical equipment all fixes on the floor with falling the cover of making an uproar, and the board of making an uproar falls in spring resonance includes a plurality of springs of making an uproar and fall the board of making an uproar, and the.
The noise reduction spring is a plastic spring or a steel spring.
The noise reduction plate is a cork plate or a foam plastic plate.
The number of the spring resonance noise reduction plates is 7, wherein 2 spring resonance noise reduction plates are respectively positioned at the front side and the rear side of the mechanical equipment and are respectively called a front noise reduction plate and a rear noise reduction plate, the remaining 5 spring resonance noise reduction plates are positioned between the front noise reduction plate and the rear noise reduction plate and are respectively called a first spring resonance noise reduction plate, a second spring resonance noise reduction plate, a third spring resonance noise reduction plate, a fourth spring resonance noise reduction plate and a fifth spring resonance noise reduction plate, the third spring resonance noise reduction plate is a top plate parallel to the floor, the second spring resonance noise reduction plate and the fourth spring resonance noise reduction plate are obliquely arranged, two sides of the third spring resonance noise reduction plate are respectively and fixedly connected with the second spring resonance noise reduction plate and the fourth spring resonance noise reduction plate, the front sides of the second spring resonance noise reduction plate, the third spring resonance noise reduction plate and the fourth spring resonance noise reduction plate are fixedly connected with the front noise reduction plate, the board of making an uproar falls in spring resonance No. two, the board of making an uproar falls in spring resonance No. three and the rear side of the board of making an uproar falls in spring resonance No. four all with the back board of making an uproar is connected, the board lower extreme of making an uproar falls in spring resonance No. two is articulated with the board of making an uproar falls in spring resonance No. one, the lower extreme of the board of making an uproar falls in spring resonance No. four is articulated with the board of making an uproar falls in spring resonance No. five, and the board of making an uproar falls in spring resonance and the front side of the board of making an uproar all with the front side laminating of the board of making.
The lower end of the second spring resonance noise reduction plate is hinged with the first spring resonance noise reduction plate through a hinge, and the lower end of the fourth spring resonance noise reduction plate is hinged with the fifth spring resonance noise reduction plate through a hinge.
The noise reduction plate is provided with a plurality of uniformly distributed fixing holes, and one end of the noise reduction spring is positioned in the fixing hole on the noise reduction plate and fixed in the fixing hole.
The utility model has the advantages that: the utility model discloses based on spring damping and the principle that resonance effect can consume the noise energy, realize reduction and the wall to the mechanical equipment noise. Simultaneously, the spring that adopts different materials consumes the noise of different frequencies, makes the utility model discloses the noise has extensive adaptability to most mechanical equipment.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a spring resonance noise reduction plate;
FIG. 3 is a left side view of FIG. 2;
in the figure: 1-a spring resonance noise reduction plate; 11-a noise reducing spring; 12-a noise reduction plate; 2-a noise reduction hood; 3-mechanical equipment; 4-floor board; 5-a spring resonance noise reduction plate; 6-second spring resonance noise reduction plate; 7-third spring resonance noise reduction plate; 8-fourth spring resonance noise reduction plate; 9-five spring resonance noise reduction plate;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1 to fig. 3, a spring resonance noise reduction device, including a plurality of spring resonance noise reduction plates 1, a plurality of spring resonance noise reduction plates 1 enclose into a lower extreme open-ended noise reduction cover 2, the mechanical equipment 3 of making an uproar is located noise reduction cover 2, mechanical equipment 3 and noise reduction cover 2 are all fixed on floor 4, noise reduction cover 2 connects into a confined space with floor 4, spring resonance noise reduction plate 1 includes a plurality of noise reduction springs 11 and noise reduction plate 12, noise reduction spring 11's one end is embedded into noise reduction plate 12, the other end stretches out from noise reduction plate 12, and is located noise reduction cover 2.
The noise reduction spring 11 is a plastic spring or a steel spring, and the plastic spring can absorb low-frequency noise; the steel spring can absorb high-frequency noise, and the noise reduction plate 12 is connected with a plurality of plastic springs and steel springs which are distributed in a staggered mode, so that noise of mechanical equipment can be reduced and the mechanical equipment can be isolated.
The noise reduction plate 12 is a soft wood plate or a foam plastic plate, and both the soft wood plate and the foam plastic plate have the noise reduction function.
The number of the spring resonance noise reduction plates 1 is 7, wherein 2 spring resonance noise reduction plates 1 are respectively positioned at the front side and the rear side of the mechanical equipment 3 and are respectively called a front noise reduction plate and a rear noise reduction plate, the remaining 5 spring resonance noise reduction plates 1 are positioned between the front noise reduction plate and the rear noise reduction plate and are respectively called a first spring resonance noise reduction plate 5, a second spring resonance noise reduction plate 6, a third spring resonance noise reduction plate 7, a fourth spring resonance noise reduction plate 8 and a fifth spring resonance noise reduction plate 9, the third spring resonance noise reduction plate 7 is a top plate parallel to the floor 4, the second spring resonance noise reduction plate 6 and the fourth spring resonance noise reduction plate 8 are obliquely arranged, two sides of the third spring resonance noise reduction plate 7 are respectively fixedly connected with the second spring resonance noise reduction plate 6 and the fourth spring resonance noise reduction plate 8, the front sides of the second spring resonance noise reduction plate 6, the third spring resonance noise reduction plate 7 and the fourth spring resonance noise reduction plate 8 are respectively fixedly connected with the front noise reduction plate, the board 6 of making an uproar falls in second spring resonance, the board 7 and the board 8 of making an uproar falls in third spring resonance's rear side and falls the board connection of making an uproar with the back, the board 6 lower extreme that falls in second spring resonance falls the board 5 articulated of making an uproar with first spring resonance, the board 8 is fallen in fourth spring resonance's lower extreme and the board 9 of making an uproar falls in fifth spring resonance, the board 6 lower extreme that falls in second spring resonance falls the board 5 with a spring resonance fall the board 5 of making an uproar through the hinge, the board 8 is fallen in fourth spring resonance's lower extreme and the board 9 of making an uproar also pass through the hinge joint with the board 9 of making an uproar that falls in fifth spring resonance, the convenient maintenance to mechanical equipment 3, and the board 5 and the board 9 of making an uproar fall in first spring resonance's front side and the board rear side laminating of making an uproar before.
The noise reduction plate 12 is provided with a plurality of uniformly distributed fixing holes, and one end of the noise reduction spring 11 is positioned in the fixing hole on the noise reduction plate 12 and fixed in the fixing hole.
The utility model discloses during operation, according to the demand of mechanical equipment 3, assemble the noise reduction cover 2 of different shapes with a plurality of spring resonance noise reduction boards 1, mechanical equipment 3 produces the noise in work, and the noise transmits the energy to noise reduction spring 11 through the air, and the plastic spring can absorb the low frequency noise, and the steel spring can absorb the high frequency noise, can consume the principle of noise energy based on spring damping and resonance effect, realizes the reduction and the wall to mechanical equipment 3 noise; adopt the spring of different materials to consume the noise of different frequencies, make the utility model discloses 3 noises to most mechanical equipment have extensive adaptability.
The utility model discloses the key coal-fired generating set of being applied to, but not be restricted to this field, to relevant technical field like trades such as cement manufacture, chemical industry, machine-building have universal relevance nature. For convenience of presentation, the thermal power generation industry is taken as an example in the above description.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.

Claims (6)

1. The utility model provides a device of making an uproar falls in spring resonance, a serial communication port, fall board (1) of making an uproar including a plurality of spring resonances, it falls a plurality of spring resonances and encloses into a lower extreme open-ended and falls cover (2) of making an uproar to fall board (1), mechanical equipment (3) of making an uproar is located and falls cover (2) of making an uproar, mechanical equipment (3) are fallen cover (2) of making an uproar and are all fixed on floor (4) with falling cover (2), board (1) of making an uproar falls in spring resonance includes a plurality of springs (11) of making an uproar and fall board (12) of making an uproar, fall the one end of spring (11) of making an uproar and imb.
2. A spring resonance noise reduction device according to claim 1, characterized in that the noise reduction springs (11) are plastic springs or steel springs.
3. A spring resonance noise damping arrangement according to claim 2, characterized in that the noise damping plate (12) is a cork plate or a foam plastic plate.
4. The spring resonance noise reduction device according to claim 1, wherein the number of the spring resonance noise reduction plates (1) is 7, 2 of the spring resonance noise reduction plates (1) are respectively located at the front side and the rear side of the mechanical equipment (3) and are respectively called a front noise reduction plate and a rear noise reduction plate, the remaining 5 spring resonance noise reduction plates (1) are located between the front noise reduction plate and the rear noise reduction plate and are respectively called a first spring resonance noise reduction plate (5), a second spring resonance noise reduction plate (6), a third spring resonance noise reduction plate (7), a fourth spring resonance noise reduction plate (8) and a fifth spring resonance noise reduction plate (9), the third spring resonance noise reduction plate (7) is a top plate parallel to the floor (4), the second spring resonance noise reduction plate (6) and the fourth spring resonance noise reduction plate (8) are both obliquely arranged, and two sides of the third spring resonance noise reduction plate (7) are respectively fixedly connected with the second spring resonance noise reduction plate (6) and the fourth spring resonance noise reduction plate (8) And then, a second spring resonance noise reduction plate (6), a third spring resonance noise reduction plate (7) and a fourth spring resonance noise reduction plate (8) are fixedly connected with the front noise reduction plate, the second spring resonance noise reduction plate (6), the third spring resonance noise reduction plate (7) and the fourth spring resonance noise reduction plate (8) are connected with the rear noise reduction plate, the lower end of the second spring resonance noise reduction plate (6) is hinged to the first spring resonance noise reduction plate (5), the lower end of the fourth spring resonance noise reduction plate (8) is hinged to the fifth spring resonance noise reduction plate (9), the front sides of the first spring resonance noise reduction plate (5) and the fifth spring resonance noise reduction plate (9) are attached to the rear side of the front noise reduction plate, and the rear sides of the first spring resonance noise reduction plate (5) and the fifth spring resonance noise reduction plate (9) are attached to the front side of the rear noise reduction plate.
5. The device of claim 4, wherein the lower end of the second spring resonance noise reduction plate (6) is hinged with the first spring resonance noise reduction plate (5) through a hinge, and the lower end of the fourth spring resonance noise reduction plate (8) is hinged with the fifth spring resonance noise reduction plate (9) through a hinge.
6. A spring resonance noise reduction device according to claim 3, characterized in that the noise reduction plate (12) is provided with a plurality of uniformly distributed fixing holes, and one end of the noise reduction spring (11) is located in the fixing hole on the noise reduction plate (12) and fixed in the fixing hole.
CN202020892371.6U 2020-05-25 2020-05-25 Spring resonance noise reduction device Active CN212506839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020892371.6U CN212506839U (en) 2020-05-25 2020-05-25 Spring resonance noise reduction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020892371.6U CN212506839U (en) 2020-05-25 2020-05-25 Spring resonance noise reduction device

Publications (1)

Publication Number Publication Date
CN212506839U true CN212506839U (en) 2021-02-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020892371.6U Active CN212506839U (en) 2020-05-25 2020-05-25 Spring resonance noise reduction device

Country Status (1)

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CN (1) CN212506839U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118009439A (en) * 2024-04-07 2024-05-10 山西八建集团有限公司 Humidification device for heat supply ventilation and air conditioning engineering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118009439A (en) * 2024-04-07 2024-05-10 山西八建集团有限公司 Humidification device for heat supply ventilation and air conditioning engineering
CN118009439B (en) * 2024-04-07 2024-06-18 山西八建集团有限公司 Humidification device for heat supply ventilation and air conditioning engineering

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