CN211524956U - Silencing shed of engine unit - Google Patents
Silencing shed of engine unit Download PDFInfo
- Publication number
- CN211524956U CN211524956U CN201921644914.6U CN201921644914U CN211524956U CN 211524956 U CN211524956 U CN 211524956U CN 201921644914 U CN201921644914 U CN 201921644914U CN 211524956 U CN211524956 U CN 211524956U
- Authority
- CN
- China
- Prior art keywords
- cavity
- plate
- sound insulation
- shed
- shell
- 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.)
- Expired - Fee Related
Links
- 230000030279 gene silencing Effects 0.000 title claims description 7
- 238000013016 damping Methods 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 22
- 241000628997 Flos Species 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000011491 glass wool Substances 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000005574 cross-species transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003973 paint Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model particularly discloses a mute shed of an engine unit, which comprises a shell; a first sound insulation plate is horizontally arranged in the shell; a first cavity is formed in front of the first sound insulation board and the top wall of the machine shell; the middle part of the first cavity is symmetrically provided with a damping net film; the top of the shell is provided with an opening; the openings are arranged between the symmetrical damping net films; a second guide plate is arranged at one end, far away from the damping net film, in the first cavity; a second sound insulation plate is symmetrically arranged below the first sound insulation plate; a second cavity is formed between the second sound insulation board and the side wall of the shell; a first guide plate is arranged in the second cavity; a corrugated plate is arranged above the first guide plate; a third cavity is formed between the symmetrical second sound insulation boards; and a damping device for placing an engine unit is arranged in the third cavity. The utility model discloses can effectively reduce the noise and spill over, can be through reducing the noise that generating set vibrations brought, this silence canopy simple structure, noise reduction effect is good.
Description
Technical Field
The utility model relates to a silence canopy, concretely relates to silence canopy of engine unit.
Background
The power generating set is a complete set of mechanical equipment for converting energy in other forms into electric energy, the power generating set of the communication base station is a quiet shed for the engine unit, and the quiet shed is provided for solving the problem that the power supply condition is unstable when part of the base station is located in the areas far away from a power grid, such as wild mountains, deserts and the like, the fuel oil power generating set is usually adopted, the noise of the power generating set is large during operation, and the noise generated during the operation of the power generating set can seriously affect the surrounding environment if necessary noise reduction measures are not taken.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a silence canopy of engine unit is provided, it can effectively reduce the noise and spill over, can be through reducing the noise that generating set vibrations brought, this silence canopy simple structure, noise reduction effect is good.
A silencing shed of an engine unit comprises a shell; a first sound insulation plate is horizontally arranged in the shell; the first baffle plate and the top wall of the shell form a first cavity in front; the middle part of the first cavity is symmetrically provided with a damping net film; the top of the shell is provided with an opening; the openings are arranged between the symmetrical damping net films; a second guide plate is arranged at one end, far away from the damping net film, in the first cavity; a second sound insulation plate is symmetrically arranged below the first sound insulation plate; a second cavity is formed between the second sound insulation board and the side wall of the shell; a first guide plate is arranged in the second cavity; a corrugated plate is arranged above the first guide plate; a third cavity is formed between the symmetrical second sound insulation boards; and a damping device for placing an engine unit is arranged in the third cavity.
Preferably, the damping device comprises a placing plate arranged in the third cavity; the bottom of the placing plate is symmetrically provided with limiting columns; and limiting groove blocks are symmetrically arranged at the bottom of the inner side of the shell.
Further preferably, a spring is arranged between the limiting groove block and the limiting column.
Further preferably, the upper end face of the placing plate is sleeved with a sound insulation sleeve.
Preferably, the first sound insulation board is provided with a second through hole for communicating the first cavity and the second cavity.
Preferably, the second sound insulation board is provided with a first through hole for communicating the second cavity with the third cavity.
Preferably, glass floss silk is further arranged in the third cavity; the glass silk floss is fixed at the bottom of the first sound insulation board.
Preferably, sound-absorbing cotton is arranged at one end, close to the damping net film, in the first cavity.
Preferably, the curved surfaces of the first guide plate and the second guide plate are coated with sound-absorbing paint.
The utility model discloses following beneficial effect has: the setting up of first acoustic celotex board and second acoustic celotex board can effectively reduce the noise and spill over, and damping device can reduce the noise that generating set vibrations brought, and damping nethike embrane is provided with the heat transfer that does benefit to engine unit, and the buckled plate can further weaken the propagation of noise, the utility model provides a silence canopy simple structure, noise reduction effect is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a housing; 2-a first acoustic panel; 3-a first cavity; 4-a second acoustic panel; 5-a second cavity; 6-a third cavity; 7-placing a plate; 8-a limiting column; 9-a limit groove block; 10-a spring; 11-a sound-insulating sleeve; 12-glass silk floss; 13-a first via; 14-a first guide plate; 15-corrugated plate; 16-a second guide plate; 17-a second via; 18-sound absorbing cotton; 19-a shock absorbing net film; 20-opening.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
In the present invention, it should be noted that the terms "top", "bottom", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1, the utility model provides a silencing shed for an engine unit, which comprises a housing 1, wherein a first sound-insulating board 2 is horizontally arranged in the housing 1, a first cavity 3 is formed between the first sound-insulating board 2 and the top wall of the housing 1, a damping net film 19 is symmetrically arranged in the middle of the first cavity 3, an opening 20 is arranged at the top of the housing 1, the opening 20 is arranged between the symmetrical damping net films 19, a second guide board 16 is arranged at one end of the first cavity 3 far away from the damping net film 19, a second sound-insulating board 4 is symmetrically arranged below the first sound-insulating board 2, a second cavity 5 is formed between the second sound-insulating board 4 and the side wall of the housing 1, a first guide board 14 is arranged in the second cavity 5, a corrugated board 15 is arranged above the first guide board 14, the corrugated board 15 can further weaken the propagation of noise, a third cavity 6 is formed between the symmetrical second sound-insulating boards 4, a damping device for placing the engine unit is arranged in the third cavity, damping device includes that it places board 7 to be equipped with in the third cavity 6, and the bottom symmetry of placing board 7 is equipped with spacing post 8, and the inboard bottom symmetry of shell 1 is equipped with spacing groove block 9, is equipped with spring 10 between spacing groove block 9 and the spacing post 8, and the up end of placing board 7 has cup jointed sound insulation cover 11, effectively reduces the noise that generating set vibrations brought through spring 10, from the volume of sound source department noise reduction.
In this embodiment, the first sound-insulating board 2 is provided with a second through hole 17 communicating the first cavity 3 and the second cavity 5, the second sound-insulating board 4 is provided with a first through hole 13 communicating the second cavity 5 and the third cavity 6, the third cavity 6 is further provided with a glass floss 12, the glass floss 12 is fixed at the bottom of the first sound-insulating board 2, the glass floss 12 can effectively absorb noise in the third cavity 6 and reduce overflow of the noise, one end of the first cavity 3, which is close to the damping net film 19, is provided with a sound-absorbing cotton 18, the sound-absorbing cotton 18 effectively absorbs the noise propagated to the first cavity 3, the curved surfaces of the first guide plate 14 and the second guide plate 16 are both coated with sound-absorbing paint, and the sound-absorbing paint can absorb the noise propagated to the second cavity 5, thereby reducing overflow of the noise.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A silencing shed of an engine unit comprises a shell; the method is characterized in that: a first sound insulation plate is horizontally arranged in the shell; the first baffle plate and the top wall of the shell form a first cavity in front; the middle part of the first cavity is symmetrically provided with a damping net film; the top of the shell is provided with an opening; the openings are arranged between the symmetrical damping net films; a second guide plate is arranged at one end, far away from the damping net film, in the first cavity; a second sound insulation plate is symmetrically arranged below the first sound insulation plate; a second cavity is formed between the second sound insulation board and the side wall of the shell; a first guide plate is arranged in the second cavity; a corrugated plate is arranged above the first guide plate; a third cavity is formed between the symmetrical second sound insulation boards; and a damping device for placing an engine unit is arranged in the third cavity.
2. The mute shed of an engine block as set forth in claim 1, wherein the shock absorbing means includes a mounting plate disposed within the third cavity; the bottom of the placing plate is symmetrically provided with limiting columns; and limiting groove blocks are symmetrically arranged at the bottom of the inner side of the shell.
3. The mute shed of an engine block as set forth in claim 2, wherein a spring is disposed between the limit slot block and the limit post.
4. The silencing booth of engine unit as claimed in claim 2, wherein a soundproof cover is fitted over an upper end surface of the placement plate.
5. The mute shed of an engine block as set forth in claim 1, wherein the first baffle plate is provided with a second through hole communicating the first cavity and the second cavity.
6. The mute shed of an engine block as set forth in claim 1, wherein the second baffle plate is provided with a first through hole communicating the second cavity and the third cavity.
7. The silencing shed of claim 1, wherein glass wool is further disposed in the third cavity; the glass silk floss is fixed at the bottom of the first sound insulation board.
8. The mute shed of an engine block as set forth in claim 1, wherein a sound absorbing cotton is disposed in the first cavity adjacent to an end of the shock absorbing mesh.
9. The mute shed of an engine block as set forth in claim 1, wherein the curved surfaces of the first guide plate and the second guide plate are each coated with a sound absorbing coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644914.6U CN211524956U (en) | 2019-09-29 | 2019-09-29 | Silencing shed of engine unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921644914.6U CN211524956U (en) | 2019-09-29 | 2019-09-29 | Silencing shed of engine unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211524956U true CN211524956U (en) | 2020-09-18 |
Family
ID=72441973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921644914.6U Expired - Fee Related CN211524956U (en) | 2019-09-29 | 2019-09-29 | Silencing shed of engine unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211524956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282935A (en) * | 2020-10-21 | 2021-01-29 | 安徽天沃重工机械有限公司 | Diesel engine with protection mechanism for agricultural machinery |
-
2019
- 2019-09-29 CN CN201921644914.6U patent/CN211524956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112282935A (en) * | 2020-10-21 | 2021-01-29 | 安徽天沃重工机械有限公司 | Diesel engine with protection mechanism for agricultural machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |