CN205977362U - Excavator blast pipe silencing and noise degrading device - Google Patents
Excavator blast pipe silencing and noise degrading device Download PDFInfo
- Publication number
- CN205977362U CN205977362U CN201620955510.9U CN201620955510U CN205977362U CN 205977362 U CN205977362 U CN 205977362U CN 201620955510 U CN201620955510 U CN 201620955510U CN 205977362 U CN205977362 U CN 205977362U
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- deafener
- noise
- pipe
- excavator
- chamber
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses an engineering machine tool technical field's an excavator blast pipe silencing and noise degrading device, which comprises a muffler, the top of muffler is provided with the blast pipe, the inner chamber top of muffler is provided with the outlet duct, the top of outlet duct is connected with the bottom of blast pipe, the bottom of outlet duct is provided with out the air cavity, the bottom outer wall that goes out the air cavity is provided with annular breather pipe, the bottom of annular breather pipe is provided with the chamber of admitting air, peg graft in the inner chamber bottom of an air cavity in the top of annular breather pipe, the utility model discloses a flange's bottom is provided with the shock pad, and the shock pad is the rubber pad, and the shock pad can reduce the vibration of muffler when realizing excavator operation, the inside structure of protection muffler, and the life of extension muffler, the inner chamber through the muffler is provided with out the air cavity and admits air the chamber, and two cavities can reduce tail gas release speed by a wide margin, reduce the noise of tail gas release.
Description
Technical field
This utility model is related to technical field of engineering machinery, specially a kind of excavator exhaustor sound-deadening and noise-reducing device.
Background technology
Excavator at work during produce larger noise and heat, due to diesel engine be located at enclosure in, with it
Adjacent Hydraulic Elements and electronic devices and components need suitable ambient temperature could meet reliability requirement it is ensured that service life,
This requires from electromotor tail gas out, when through deafener, to radiate as far as possible, the excavator using on the market at present disappears
Its noise of sound denoising device is big, exhaust temperature is high, and for example Chinese Patent Application No. 201020540054.2 is a kind of is used for walking
Exhaust muffling device on digger engine, discloses the exhaust noise silencing dress on a kind of electromotor for walking type excavator
Put, be related to a kind of engineering machinery, it includes：Shell, air inlet pipe, manifold assemblies, tail pipe and the silencing cotton being arranged on shell inner cavity,
The axially disposed dividing plate of shell inner cavity I, dividing plate II and dividing plate III, shell inner cavity is divided into four expansion air chambers, and inside the shell also has
Perforated pipe and Duo Gen perforated pipe, tail gas causes air-flow contracting to rise shunting, phase place sequentially through perforated pipe in each cabin indoor moveable
Interfere, be vortexed and increase, shell inner cavity has been covered with the material silencing cotton of insulation Noise Reduction, in order to reduce to the radiating in cabin, can
Effectively reduce walking type excavator engine exhaust emission operation noise, improve hydraulic electronic components and parts under extreme operating condition
Adaptability, improve the work comfort of driver, widened the environment scope of application of walking type excavator, based on this,
This utility model devises a kind of excavator exhaustor sound-deadening and noise-reducing device, to solve the above problems.
Utility model content
The purpose of this utility model is to provide a kind of excavator exhaustor sound-deadening and noise-reducing device, to solve above-mentioned background skill
The problem that its noise of excavator sound-deadening and noise-reducing device using on the market at present proposing in art is big, exhaust temperature is high.
For achieving the above object, this utility model provides following technical scheme：A kind of excavator exhaustor sound-deadening and noise-reducing dress
Put, including deafener, the top of described deafener is provided with exhaustor, and the inner cavity top of described deafener is provided with escape pipe,
The top of described escape pipe is connected with the bottom of exhaustor, and the bottom of described escape pipe is provided with outlet chamber, described outlet chamber
Bottom outer wall is provided with loop draught pipe, and the bottom of described loop draught pipe is provided with inlet chamber, the top of described loop draught pipe
End is plugged on the intracavity bottom of outlet chamber, and the bottom of described loop draught pipe is plugged on the inner cavity top of inlet chamber, described gives vent to anger
The left wall of chamber and inlet chamber and right wall are provided with elastic component, and the bottom of described inlet chamber is provided with air inlet pipe, described air inlet pipe
Bottom be arranged on the intracavity bottom of deafener, the bottom of described deafener is provided with adpting flange, the top of described adpting flange
End is connected with the bottom of air inlet pipe, and the bottom of described adpting flange is provided with cushion, and the outer wall of described deafener offers and disappears
Sound hole, described deafener includes shell, and the bottom of described shell is provided with noise reduction layer, and the bottom of described noise reduction layer is provided with support
Layer.
Preferably, described elastic component is damping spring.
Preferably, described cushion is rubber blanket.
Preferably, described noise reduction layer is silencing cotton layer.
Compared with prior art, the beneficial effects of the utility model are：This utility model is set by the bottom of adpting flange
It is equipped with cushion, cushion is rubber blanket, realize the vibration that cushion during excavator work can reduce deafener, protect noise reduction
Structure within device, extends the service life of deafener, the inner chamber of deafener is provided with outlet chamber and inlet chamber, two chambeies
Room can be greatly reduced tail gas rate of release, reduce the noise of tail gas release, be plugged on outlet chamber by the top of loop draught pipe
Intracavity bottom, the bottom of loop draught pipe is plugged on the inner cavity top of inlet chamber, and loop draught pipe changes the noise of tail gas
Frequency, also acts the effect of radiating, is damping spring by elastic component, reduces the vibration of outlet chamber and inlet chamber, passes through
Noise reduction layer is silencing cotton layer, and the outer wall of deafener offers bloop, greatly improves the sound-deadening and noise-reducing effect of deafener.
Brief description
Fig. 1 is this utility model structural representation；
Fig. 2 is this utility model bloop structural representation；
Fig. 3 is this utility model muffler structure schematic diagram.
In figure：1 deafener, 111 bloops, 112 shells, 113 noise reduction layers, 114 supporting layers, 2 exhaustors, 3 escape pipes, 4
Outlet chamber, 5 loop draught pipes, 6 inlet chambers, 7 elastic components, 8 air inlet pipe, 9 adpting flanges, 10 cushions.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-3, this utility model provides a kind of technical scheme：A kind of excavator exhaustor sound-deadening and noise-reducing device,
Including deafener 1, the top of described deafener 1 is provided with exhaustor 2, and the inner cavity top of described deafener 1 is provided with escape pipe
3, the top of described escape pipe 3 is connected with the bottom of exhaustor 2, and the bottom of described escape pipe 3 is provided with outlet chamber 4, described go out
The bottom outer wall of air cavity 4 is provided with loop draught pipe 5, and the bottom of described loop draught pipe 5 is provided with inlet chamber 6, described annular
The top of breather 5 is plugged on the intracavity bottom of outlet chamber 4, and the bottom of described loop draught pipe 5 is plugged on the inner chamber of inlet chamber 6
Top, the left wall of described outlet chamber 4 and inlet chamber 6 and right wall are provided with elastic component 7, and the bottom of described inlet chamber 6 is provided with
Air inlet pipe 8, the bottom of described air inlet pipe 8 is arranged on the intracavity bottom of deafener 1, and the bottom of described deafener 1 is provided with connection
Flange 9, the top of described adpting flange 9 is connected with the bottom of air inlet pipe 8, and the bottom of described adpting flange 9 is provided with cushion
10, the outer wall of described deafener 1 offers bloop 111, and described deafener 1 includes shell 112, the bottom of described shell 112
It is provided with noise reduction layer 113, the bottom of described noise reduction layer 113 is provided with supporting layer 114.
Wherein, described elastic component 7 is damping spring, reduces outlet chamber 4 and the vibration of inlet chamber 6, described cushion 10
It is rubber blanket, realize the vibration that cushion 10 during excavator work can reduce deafener 1, protect the structure within deafener 1,
Extend the service life of deafener 1, described noise reduction layer 113 is silencing cotton layer, and the outer wall of deafener 1 offers bloop 111, disappears
Sound-absorbing layer 113 and bloop 111 greatly improve the sound-deadening and noise-reducing effect of deafener 1.
Operation principle：This utility model enters into air inlet pipe 8 from adpting flange 9, from air inlet pipe 8 by the tail gas of excavator
Enter into inlet chamber 6, inlet chamber 6 slows down the rate of release of tail gas, tail gas enters loop draught pipe 5 from inlet chamber 6, logical in annular
Carry out in trachea 5 reducing noise frequency and radiating, tail gas enters into outlet chamber 4 from loop draught pipe 5, and outlet chamber 4 slows down tail gas
Rate of release, tail gas enters into exhaustor 2 from escape pipe 3, is discharged in the air, is rubber blanket by cushion 10, realize
During excavator work, cushion 10 can reduce the vibration of deafener 1, the structure within protection deafener 1, extends deafener 1
Service life, is damping spring by elastic component 7, reduces outlet chamber 4 and the vibration of inlet chamber 6, is to disappear by noise reduction layer 113
Sound cotton layer, the outer wall of deafener 1 offers bloop 111, greatly improves the sound-deadening and noise-reducing effect of deafener 1.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of excavator exhaustor sound-deadening and noise-reducing device, including deafener (1) it is characterised in that：The top of described deafener (1)
Portion is provided with exhaustor (2), and the inner cavity top of described deafener (1) is provided with escape pipe (3), the top of described escape pipe (3)
It is connected with the bottom of exhaustor (2), the bottom of described escape pipe (3) is provided with outlet chamber (4), the bottom of described outlet chamber (4)
Outer wall is provided with loop draught pipe (5), and the bottom of described loop draught pipe (5) is provided with inlet chamber (6), described loop draught pipe
(5) top is plugged on the intracavity bottom of outlet chamber (4), and the bottom of described loop draught pipe (5) is plugged on the interior of inlet chamber (6)
Top of chamber, the left wall of described outlet chamber (4) and inlet chamber (6) and right wall are provided with elastic component (7), described inlet chamber (6)
Bottom is provided with air inlet pipe (8), and the bottom of described air inlet pipe (8) is arranged on the intracavity bottom of deafener (1), described deafener
(1) bottom is provided with adpting flange (9), and the top of described adpting flange (9) is connected with the bottom of air inlet pipe (8), described company
The bottom of acting flange (9) is provided with cushion (10), and the outer wall of described deafener (1) offers bloop (111), described noise reduction
Device (1) includes shell (112), and the bottom of described shell (112) is provided with noise reduction layer (113), the bottom of described noise reduction layer (113)
It is provided with supporting layer (114).
2. a kind of excavator exhaustor sound-deadening and noise-reducing device according to claim 1 it is characterised in that：Described elastic component
(7) it is damping spring.
3. a kind of excavator exhaustor sound-deadening and noise-reducing device according to claim 1 it is characterised in that：Described cushion
(10) it is rubber blanket.
4. a kind of excavator exhaustor sound-deadening and noise-reducing device according to claim 1 it is characterised in that：Described noise reduction layer
(113) it is silencing cotton layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955510.9U CN205977362U (en) | 2016-08-26 | 2016-08-26 | Excavator blast pipe silencing and noise degrading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955510.9U CN205977362U (en) | 2016-08-26 | 2016-08-26 | Excavator blast pipe silencing and noise degrading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977362U true CN205977362U (en) | 2017-02-22 |
Family
ID=58036853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620955510.9U Expired - Fee Related CN205977362U (en) | 2016-08-26 | 2016-08-26 | Excavator blast pipe silencing and noise degrading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977362U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165699A (en) * | 2017-06-01 | 2017-09-15 | 江苏法瑞德专用汽车有限公司 | A kind of automobile exhaust and silencing means |
| CN108930579A (en) * | 2018-08-31 | 2018-12-04 | 安徽全柴动力股份有限公司 | A kind of damping type diesel engine exhaust gas purification device and its application method |
| CN109162793A (en) * | 2018-10-17 | 2019-01-08 | 镇江市高等专科学校 | A kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor |
-
2016
- 2016-08-26 CN CN201620955510.9U patent/CN205977362U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165699A (en) * | 2017-06-01 | 2017-09-15 | 江苏法瑞德专用汽车有限公司 | A kind of automobile exhaust and silencing means |
| CN108930579A (en) * | 2018-08-31 | 2018-12-04 | 安徽全柴动力股份有限公司 | A kind of damping type diesel engine exhaust gas purification device and its application method |
| CN109162793A (en) * | 2018-10-17 | 2019-01-08 | 镇江市高等专科学校 | A kind of anti-scald exhaust pipe of the automobile-used good muffling effect of motor |
| CN109162793B (en) * | 2018-10-17 | 2023-08-15 | 镇江市高等专科学校 | Anti-scald exhaust pipe with good silencing effect for motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261108 800 Xiangjiang street, Binhai Economic Development Zone, Weifang, Shandong Patentee after: Shandong Sheng Wei salt alkali land Technology Co.,Ltd. Address before: 261108 800 Xiangjiang street, Binhai Economic Development Zone, Weifang, Shandong Patentee before: SHANDONG SUNWAY LANDSCAPE TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20210826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |