CN215057662U - Muffler for engineering machinery - Google Patents
Muffler for engineering machinery Download PDFInfo
- Publication number
- CN215057662U CN215057662U CN202121660029.4U CN202121660029U CN215057662U CN 215057662 U CN215057662 U CN 215057662U CN 202121660029 U CN202121660029 U CN 202121660029U CN 215057662 U CN215057662 U CN 215057662U
- Authority
- CN
- China
- Prior art keywords
- chamber
- dust collecting
- silencing
- muffler
- collecting chamber
- 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
- 239000000428 dust Substances 0.000 claims abstract description 71
- 230000030279 gene silencing Effects 0.000 claims abstract description 46
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 230000003584 silencer Effects 0.000 claims abstract description 8
- 239000011358 absorbing material Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000009440 infrastructure construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000001743 silencing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses a muffler for engineering machinery, which is applied to the field of mufflers and comprises a dust collecting chamber and a muffling chamber, wherein a separation plate is arranged between the dust collecting chamber and the muffling chamber; a through hole is arranged in the middle of the isolation plate, and a silencing barrel is arranged on one side of the through hole, which is close to the silencing chamber; the outer side of the silencing barrel is provided with a sound absorbing material; the side wall of the bottom of the dust collecting chamber is connected with an air inlet, and the top end of the anechoic chamber is connected with an air outlet; a dust collecting sponge is arranged in the dust collecting chamber and is attached to one side of the isolation plate close to the dust collecting chamber; the dust collection sponge is arranged in the utility model, which can absorb the particle sundries in the air flow, avoid blocking the silencer and damaging the equipment; and meanwhile, a plurality of silencing holes are formed in the outer walls of the air inlet, the air outlet and the silencing barrel, so that the air inlet, the air outlet and the silencing barrel are equivalent to three small-hole silencers, and are matched with sound-absorbing materials arranged around the silencing barrel, so that audible noise can be weakened to the maximum extent, and the influence on the environment is reduced.
Description
Technical Field
The utility model relates to a muffler field, in particular to muffler for engineering machine tool.
Background
In recent years, the foot step of the infrastructure construction of China is always accelerated, high-speed rails, bridges and various buildings are in endless, so that China also obtains the name of 'building construction magic' and heavy engineering machinery which does not have a common figure behind one infrastructure construction is provided, the engineering machinery makes great contribution in the infrastructure construction of China, but the problems of noise pollution and waste gas pollution are always accompanied with the heavy machinery, the pollution problems are more serious along with the manufacture of larger heavy machinery, a silencer is usually installed on vehicle engineering machinery, when the silencer is mainly used, the silencer carries out emission and silencing treatment on tail gas generated during the operation of the machinery, because the tail gas contains more particulate matters generated by the combustion of fuel, the impurities are easy to remain in the exhaust silencer in the emission process, and the impurities easily cause blockage in the exhaust silencer, lead to its unable normal use, impurity causes destruction to the equipment in the exhaust muffler easily simultaneously, leads to it to carry out normal amortization to tail gas and handles, leads to exhaust muffler life to shorten easily, consequently, it is necessary to provide one kind can discharge remaining pollution particle, and the good novel muffler of noise cancelling effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a muffler for engineering machine tool, its advantage is remaining pollution particle of ability discharge, and noise cancelling effect is good.
The above technical purpose of the present invention can be achieved by the following technical solutions: a muffler for engineering machinery comprises a dust collecting chamber and a silencing chamber, wherein a partition plate is arranged between the dust collecting chamber and the silencing chamber, a through hole is formed in the middle of the partition plate, and a silencing barrel is arranged on one side, close to the silencing chamber, of the through hole; the outer side of the silencing barrel is provided with a sound absorbing material; the side wall of the bottom of the dust collecting chamber is connected with an air inlet, and the top end of the anechoic chamber is connected with an air outlet; the dust collecting chamber is internally provided with a dust collecting sponge, and the dust collecting sponge is attached to one side of the isolation plate close to the dust collecting chamber.
The utility model provides a muffler for engineering machinery, which is internally provided with dust-collecting sponge which can adsorb particle sundries in airflow and avoid blocking the muffler and damaging equipment; the sound absorbing material can weaken audible noise and reduce the influence on the environment.
The utility model is further provided with an opening on the side wall of the dust collecting chamber; the inner wall of the dust collecting chamber at the lower end of the opening is provided with a collecting groove, and the bottom end of the collecting groove is provided with a slag outlet.
This device is provided with the opening on the dust collecting chamber lateral wall, the collection dirt sponge of being convenient for take out and install, because the collection dirt sponge is elastic material, consequently when will gather a dirt sponge and pull out less opening, the opening part receives extruded collection dirt sponge can tentatively get rid of the granule debris that adheres to it above that, to this, the utility model discloses be equipped with the collecting vat on the dust collecting chamber inner wall of opening lower extreme for collect the granule debris that drop, the collection dirt sponge that takes out further cleans again, recycles, packs into the collection dirt sponge in the time of the assembly in the opening, then in the dust collecting chamber naturally unfold can, simple and convenient, easily operation.
The utility model is further arranged in that one end of the dust collection sponge is provided with a plate cover, one end of the dust collection sponge is arranged in the dust collection chamber, and the plate cover covers the outer wall of the dust collection chamber and covers the slag outlet; and a sound insulation cavity is arranged outside the plate cover and is fixed on the outer wall of the dust collecting chamber through bolts.
One end of the dust collection sponge is connected with a plate cover, the plate cover is convenient for assembling the dust collection sponge, the plate cover covers the slag hole, and when the dust collection sponge is pulled out through the plate cover, the slag hole is opened at the same time, so that particle impurities in the collecting tank can be conveniently removed; the sound-proof cavity arranged outside the cover can avoid the sound leakage caused by the opening arranged on the dust collecting groove, and improve the silencing effect.
The utility model is further arranged in that the end of the silencing tube far away from one end of the isolation plate is sealed, and a plurality of silencing holes are arranged on the side wall of the silencing tube; the end socket of one end of the air inlet arranged in the dust collecting chamber is sealed, and the side wall of the air inlet arranged in the dust collecting chamber is provided with a plurality of silencing holes; the exhaust port is arranged at one end in the silencing chamber and is sealed, and a plurality of silencing holes are formed in the side wall of the exhaust port in the silencing chamber.
Through the technical scheme, the air inlet, the air outlet and the silencing barrel in the device further form the three small-hole silencers, when air flow passes through the small holes, the frequency spectrum of jet noise can move to high frequency or ultrahigh frequency, audible components in the frequency spectrum are obviously reduced, and therefore interference and damage to people are reduced.
To sum up, the utility model discloses following beneficial effect has: the utility model provides a muffler for engineering machinery, which is internally provided with dust-collecting sponge and can adsorb particle sundries in airflow, thereby avoiding blocking the muffler and damaging equipment; and meanwhile, a plurality of silencing holes are formed in the outer walls of the air inlet, the air outlet and the silencing barrel, so that the air inlet, the air outlet and the silencing barrel are equivalent to three small-hole silencers, and are matched with sound-absorbing materials arranged around the silencing barrel, so that audible noise can be weakened to the maximum extent, and the influence on the environment is reduced.
Drawings
Fig. 1 is a schematic structural view of a muffler for construction machinery according to the present embodiment;
fig. 2 is a sectional view of the muffler for construction machinery according to the present embodiment.
Reference numerals: 1. a dust collecting chamber; 2. a sound deadening chamber; 3. an air inlet; 4. a silencing barrel; 5. an exhaust port; 6. a separator plate; 7. a dust collecting sponge; 8. a sound absorbing material; 9. a plate cover; 10. collecting tank; 11. a slag outlet; 12. a sound-insulating chamber; 13. and (4) bolts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1 and 2, a muffler for engineering machinery comprises a dust collecting chamber 1 for collecting particles and impurities and a silencing chamber 2, wherein a partition plate 6 is arranged between the dust collecting chamber 1 and the silencing chamber 2, a through hole is arranged in the middle of the partition plate 6, and a silencing barrel 4 is arranged on one side of the through hole, which is close to the silencing chamber 2; the sound absorption material 8 is arranged outside the silencing barrel 4, so that audible noise can be weakened, and the influence on the environment is reduced; the side wall of the bottom of the dust collecting chamber 1 is connected with an air inlet 3, airflow enters the dust collecting chamber 1 through the air inlet 3, the top end of the anechoic chamber 2 is connected with an exhaust port 5, and the airflow is exhausted through the exhaust port 5; the dust collecting chamber 1 of the device is internally provided with a dust collecting sponge 7 which can adsorb particle sundries in air flow, avoid blocking a silencer and damage equipment, the dust collecting sponge 7 is attached to one side of the dust collecting chamber 1 close to the isolation plate 6, the air flow enters the dust collecting chamber 1 and then impacts the dust collecting sponge 7, and the filtered air flow enters the silencing chamber 2 through the silencing barrel 4.
Wherein, the side wall of the dust collecting chamber 1 is provided with an opening, which is convenient for taking out and installing the dust collecting sponge 7; be equipped with a collecting vat 10 on the 1 inner wall of dust collecting chamber of opening lower extreme, the tank bottom end is equipped with one and is used for arranging the slag notch 11 of sediment, because collection dirt sponge 7 is elastic material, consequently when will gather dirt sponge 7 and pull out less opening, the opening part receives extruded collection dirt sponge 7 can tentatively get rid of the granule debris that adheres to it above that, collecting vat 10 is used for collecting the granule debris that drop, the collection dirt sponge 7 that takes out further cleans again, the circulation uses, during the assembly fill in collection dirt sponge 7 into the opening, then naturally the exhibition can in dust collecting chamber 1, and is simple and convenient, easy operation is collected.
Wherein, one end of the dust collection sponge 7 is provided with a plate cover 9, the plate cover 9 is convenient for assembling the dust collection sponge 7, one end of the dust collection sponge 7 is arranged in the dust collection chamber 1, the plate cover 9 at the other end covers the outer wall of the dust collection chamber 1 and covers the slag hole 11, when the dust collection sponge 7 needs to be drawn out, the dust collection sponge 7 is drawn out through the plate cover 9, and meanwhile, the slag hole 11 is also opened, thereby being convenient for removing the particle sundries in the collection tank 10; the plate cover 9 is also provided with a sound insulation cavity 12, the sound insulation cavity 12 is fixed on the outer wall of the dust collecting chamber 1 through a bolt 13, the sound leakage caused by the opening arranged on the dust collecting groove can be avoided, and the silencing effect is improved.
Wherein, the end of the silencing tube 4 far away from the end of the isolation plate 6 is sealed, and the side wall of the silencing tube 4 is provided with a plurality of silencing holes; the end socket of one end of the air inlet 3 arranged in the dust collecting chamber 1 is sealed, and a plurality of silencing holes are arranged on the side wall of the air inlet 3 arranged in the dust collecting chamber 1; the exhaust port 5 is arranged at one end in the silencing chamber 2 and is sealed, a plurality of silencing holes are formed in the side wall of the exhaust port 5 arranged in the silencing chamber 2, so that the air inlet 3, the exhaust port 5 and the silencing barrel 4 form three small-hole silencers, when air flow passes through the small holes, the frequency spectrum of jet noise can move to high frequency or ultrahigh frequency, audible sound components in the frequency spectrum are obviously reduced, and interference and damage to people are reduced.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. A muffler for engineering machinery comprises a dust collection chamber (1) and a silencing chamber (2), wherein a partition plate (6) is arranged between the dust collection chamber (1) and the silencing chamber (2);
the silencer is characterized in that a through hole is formed in the middle of the isolation plate (6), and a silencing barrel (4) is arranged on one side, close to the silencing chamber (2), of the through hole; the outer side of the silencing barrel (4) is provided with a sound absorbing material (8); the side wall of the bottom of the dust collecting chamber (1) is connected with an air inlet (3), and the top end of the anechoic chamber (2) is connected with an air outlet (5); a dust collection sponge (7) is arranged in the dust collection chamber (1), and the dust collection sponge (7) is attached to one side, close to the dust collection chamber (1), of the isolation plate (6).
2. Muffler for construction machinery according to claim 1, wherein an opening is provided in a side wall of the dust collecting chamber (1).
3. The muffler for construction machinery according to claim 2, wherein the inner wall of the dust collecting chamber (1) at the lower end of the opening is provided with a collecting tank (10), and the bottom end of the collecting tank (10) is provided with a slag outlet (11).
4. The muffler for engineering machinery as claimed in claim 3, wherein a plate cover (9) is provided at one end of the dust collection sponge (7), and the plate cover (9) covers the outer wall of the dust collection chamber (1) and covers the slag outlet (11).
5. The muffler for construction machinery as claimed in claim 4, wherein a sound insulation chamber (12) is provided outside the plate cover (9), and the sound insulation chamber (12) is fixed to the outer wall of the dust collecting chamber (1) by bolts (13).
6. The muffler for engineering machinery according to claim 1, wherein the end of the muffler barrel (4) far from the end of the partition plate (6) is sealed, and a plurality of muffling holes are formed in the side wall of the muffler barrel (4).
7. The muffler for construction machinery according to claim 1, wherein the end of the air inlet (3) disposed in the dust collecting chamber (1) is sealed, and a plurality of muffling holes are disposed on the side wall of the air inlet (3) disposed in the dust collecting chamber (1).
8. The muffler for construction machinery according to claim 1, wherein the exhaust port (5) is sealed at one end thereof disposed in the muffling chamber (2), and a plurality of muffling holes are formed in a side wall of the exhaust port (5) disposed in the muffling chamber (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121660029.4U CN215057662U (en) | 2021-07-20 | 2021-07-20 | Muffler for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121660029.4U CN215057662U (en) | 2021-07-20 | 2021-07-20 | Muffler for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215057662U true CN215057662U (en) | 2021-12-07 |
Family
ID=79222440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121660029.4U Expired - Fee Related CN215057662U (en) | 2021-07-20 | 2021-07-20 | Muffler for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215057662U (en) |
-
2021
- 2021-07-20 CN CN202121660029.4U patent/CN215057662U/en not_active Expired - Fee Related
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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: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |