CN210738646U - Muffler device of excavator - Google Patents
Muffler device of excavator Download PDFInfo
- Publication number
- CN210738646U CN210738646U CN201922036714.9U CN201922036714U CN210738646U CN 210738646 U CN210738646 U CN 210738646U CN 201922036714 U CN201922036714 U CN 201922036714U CN 210738646 U CN210738646 U CN 210738646U
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- China
- Prior art keywords
- silencer
- silencing
- pipe
- fixed mounting
- baffle
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- 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.)
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- 230000003584 silencer Effects 0.000 claims abstract description 53
- 230000030279 gene silencing Effects 0.000 claims abstract description 46
- 230000035939 shock Effects 0.000 claims abstract description 6
- 210000003437 trachea Anatomy 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000001743 silencing effect Effects 0.000 abstract description 4
- 230000001603 reducing effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 7
- 230000009467 reduction Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses an excavator noise eliminator, including the silencer, silencer right side upper portion fixed mounting has the tail gas pipe, the fixed shock attenuation ring and flange that has cup jointed in tail gas pipe middle part, and flange are located the shock attenuation ring left end, silencer left end lower part fixed mounting has the blast pipe, the inside fixed mounting of blast pipe has second grade silencing equipment, the inside fixed mounting of silencer has one-level silencing equipment. The utility model changes the noise frequency of the tail gas through the annular vent pipe, and has the effect of heat dissipation; the outer wall of the silencer is provided with the silencing holes, so that the silencing and noise reducing effects of the silencer are greatly improved; in addition, the vibration of the silencer can be reduced through the damping ring when the excavator works, the internal structure of the silencer is protected, and the service life of the silencer is prolonged; in addition, the multi-stage silencing device arranged in the silencer can improve the silencing effect of the silencer.
Description
Technical Field
The utility model relates to an excavator technical field, in particular to excavator noise eliminator.
Background
The diesel engine is positioned in a closed cabin, and a proper environment temperature is required for hydraulic elements and electronic components adjacent to the diesel engine to meet the reliability requirement, so that the service life is ensured, namely, the tail gas from the engine is required to be quickly radiated and silenced as far as possible when passing through a silencer, the silencer is widely applied to the excavator, the silencer is usually arranged at an exhaust pipe of the internal combustion engine, but the silencer of the common excavator is usually poor in silencing effect; and the common silencer can not carry out heat dissipation operation on the gas; additionally, devices that have been used for some time tend to be unusable due to internal structural damage.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an excavator noise eliminator, can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an excavator noise eliminator, includes the silencer, silencer right side upper portion fixed mounting has the tail trachea, the fixed shock attenuation ring and flange that has cup jointed in tail trachea middle part, and flange are located the shock attenuation ring left end, silencer left end lower part fixed mounting has the blast pipe, the inside fixed mounting of blast pipe has second grade silencing equipment, the inside fixed mounting of silencer has one-level silencing equipment.
Preferably, one-level silencing device includes intake pipe, outlet duct and intermediate pipe, intake pipe below left part is provided with the baffle No. one, and intake pipe right-hand member and tail gas pipe left end fixed connection, two air vents and two air vents No. one have been seted up respectively at baffle middle part equal fixedly connected with intermediate pipe in the air vent, two the common fixedly connected with baffle No. two of intermediate pipe lower extreme, No. two baffle below left parts are provided with the outlet duct, and outlet duct left end and blast pipe fixed connection, No. one baffle and No. two baffles all around with silencer inner wall sealing connection.
Preferably, springs are fixedly installed between the middle pipe and the silencer, and a plurality of meshes are fixedly installed inside the air inlet pipe, the air outlet pipe and the middle pipe.
Preferably, second grade silencing device includes the bending body, the end is fixed mounting respectively about the bending body has a baffle and No. two baffles, the opening has been seted up on the baffle, fixedly connected with annular breather pipe in the opening, a plurality of exhaust holes have been seted up on No. two baffles.
Preferably, the outer surface of the right part of the bent pipe body is fixedly provided with a silencing sponge, and the outer surface of the silencing sponge is fixedly provided with a sleeve.
Preferably, the silencer comprises a supporting layer, a silencing layer is fixedly mounted outside the supporting layer, a shell is fixedly mounted outside the silencing layer, and a plurality of silencing holes which are uniformly distributed are formed in the shell.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) in the utility model, the tail gas of the engine sequentially enters the air inlet pipe, the middle pipe and the air outlet pipe through the arrangement of the primary silencing device, so that the low, middle and high-frequency noises of the part are eliminated, and the primary silencing is finished; then, realizing secondary silencing through a silencing sponge and a sleeve on the secondary silencing device; meanwhile, the meshes arranged in the air inlet pipe, the middle pipe and the air outlet pipe can eliminate high-frequency noise for many times; the multi-stage silencing mode can improve the silencing effect of the silencer.
(2) In the utility model, the noise frequency of the tail gas is changed through the annular vent pipe, and the heat dissipation effect is achieved, so that the hydraulic components and electronic components in the excavator can be ensured to work normally; the outer wall of the silencer is provided with the silencing holes, so that the silencing and noise reducing effects of the silencer are greatly improved; in addition, the vibration of the silencer can be reduced through the damping ring when the excavator works, the structure in the silencer is protected, and the service life of the silencer is prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of a muffler device of an excavator according to the present invention;
fig. 2 is a schematic view of the internal structure of a muffler of an excavator muffler device according to the present invention;
fig. 3 is a schematic structural view of a second-stage muffler device of the excavator according to the present invention;
fig. 4 is a schematic structural view of a muffler of the muffler device of the excavator according to the present invention;
fig. 5 is a schematic view of the internal structure of the middle pipe of the muffler device of the excavator according to the present invention.
In the figure: 1. a muffler; 2. a tail gas pipe; 3. a shock-absorbing ring; 4. a connecting flange; 5. a silencing hole; 6. an exhaust pipe; 7. a secondary silencer; 8. a second separator plate; 9. a first vent hole; 10. a second vent hole; 11. a spring; 12. an air inlet pipe; 13. an intermediate pipe; 14. an air outlet pipe; 15. a primary silencer; 16. a support layer; 17. a sound-deadening layer; 18. a housing; 19. mesh openings; 20. a first separator plate; 71. a bent pipe body; 72. an annular vent pipe; 73. a first baffle plate; 74. an opening; 75. a sound-deadening sponge; 76. a sleeve; 77. a second baffle plate; 78. and (4) exhausting holes.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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.
As shown in fig. 1-5, a muffler device of an excavator comprises a muffler 1, a tail gas pipe 2 is fixedly mounted on the upper portion of the right side of the muffler 1, a damping ring 3 and a connecting flange 4 are fixedly sleeved on the middle portion of the tail gas pipe 2, the connecting flange 4 is located at the left end of the damping ring 3, an exhaust pipe 6 is fixedly mounted on the lower portion of the left end of the muffler 1, a secondary muffler device 7 is fixedly mounted inside the exhaust pipe 6, and a primary muffler device 15 is fixedly mounted inside the muffler 1.
The primary silencer 15 comprises an air inlet pipe 12, an air outlet pipe 14 and a middle pipe 13, a first partition plate 20 is arranged at the left part below the air inlet pipe 12, the right end of the air inlet pipe 12 is fixedly connected with the left end of the tail gas pipe 2, two first vent holes 9 and two second vent holes 10 are respectively formed in the middle of the first partition plate 20, the middle pipes 13 are fixedly connected in the two first vent holes 9, the middle pipes 13 can enable gas to enter the primary silencer 15, the lower ends of the two middle pipes 13 are fixedly connected with a second partition plate 8 together, the air outlet pipe 14 is arranged at the left part below the second partition plate 8, the left end of the air outlet pipe 14 is fixedly connected with the exhaust pipe 6, the peripheries of the first partition plate 20 and the second partition plate 8 are all connected with the inner wall of the silencer 1 in a; springs 11 are fixedly arranged between the middle pipe 13 and the silencer 1, the springs 11 can prevent the middle pipe 13 from vibrating when gas is introduced, and a plurality of meshes 19 are fixedly arranged in the gas inlet pipe 12, the gas outlet pipe 14 and the middle pipe 13; the second-stage silencing device 7 comprises a bent pipe body 71, a first baffle 73 and a second baffle 77 are fixedly installed at the left end and the right end of the bent pipe body 71 respectively, an opening 74 is formed in the first baffle 73, an annular vent pipe 72 is fixedly connected in the opening 74, a plurality of vent holes 78 are formed in the second baffle 77, and the vent holes 78 can enable denoised gas to be discharged in a dispersing manner; a silencing sponge 75 is fixedly arranged on the outer surface of the right part of the bent pipe body 71, the silencing sponge 75 can further eliminate noise in the gas, and a sleeve 76 is fixedly arranged on the outer surface of the silencing sponge 75; silencer 1 includes supporting layer 16, and 16 outside fixed mounting on supporting layer has noise reduction layer 17, and 17 outside fixed mounting on noise reduction layer has shell 18, has seted up a plurality of evenly distributed's bloop 5 on shell 18, and bloop 5 is very big has improved silencer 1's amortization noise reduction effect.
It should be noted that the utility model relates to an excavator noise eliminator, this device mainly includes silencer 1, exhaust pipe 6 is installed to silencer 1 left end lower part, install second grade silencing device 7 in the exhaust pipe 6, install first grade silencing device 15 in the silencer 1, silencer 1 right-hand member upper portion fixed mounting has tail gas pipe 2, the last flange 4 and the damping ring 3 of having cup jointed of tail gas pipe 2, the setting of flange 4 can guarantee the gas tightness when the large motor transports, prevent the tail gas leakage, lead to the noise cancelling effect to descend, and damping ring 3 can reduce the vibration of silencer 1, protect the structure of silencer 1 internal, the life of extension silencer 1; when the tail gas of the engine needs to be subjected to silencing treatment, the tail gas is firstly introduced into the silencer 1 through the tail gas pipe 2 and enters the upper end of the first partition plate 20 under the action of the gas inlet pipe 12, so that the gas is expanded and the gas turning direction is changed, and partial low, medium and high-frequency noises are eliminated; then the gas finally enters the lower part of a second clapboard 8 through a second vent hole 10, and part of low, medium and high frequency noises are eliminated again to finish first-stage noise elimination; then, the gas is continuously introduced into the second-stage silencing device 7 in the exhaust pipe 6, and under the action of the second-stage silencing device 7, the gas is introduced into the annular vent pipe 72, so that the noise frequency is reduced and the heat dissipation is realized; the secondary silencing is realized, meanwhile, the meshes 19 arranged on the air inlet pipe 12, the middle pipe 13 and the air outlet pipe 14 can eliminate high-frequency noise in the air when the air is introduced, and meanwhile, the sound-absorbing sponge between the bent pipe body 71 and the sleeve 76 also eliminates part of high-frequency noise, so that the tertiary silencing is realized, and the silencing effect is good; in addition, the silencing layer 17 and the silencing hole 5 are arranged, so that the silencing and noise reducing effects of the silencer 1 are greatly improved.
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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an excavator noise eliminator, includes silencer (1), its characterized in that: silencer (1) right side upper portion fixed mounting has tail trachea (2), fixed cover in tail trachea (2) middle part has connect shock attenuation ring (3) and flange (4), and flange (4) are located shock attenuation ring (3) left end, silencer (1) left end lower part fixed mounting has blast pipe (6), the inside fixed mounting of blast pipe (6) has second grade silencing device (7), silencer (1) inside fixed mounting has one-level silencing device (15).
2. The muffler device for an excavator according to claim 1, wherein: one-level silencing device (15) are including intake pipe (12), outlet duct (14) and intermediate tube (13), intake pipe (12) below left part is provided with baffle (20) No. one, and intake pipe (12) right-hand member and tail gas pipe (2) left end fixed connection, two air vent (9) and two air vents (10), two have been seted up respectively to baffle (20) middle part equal fixedly connected with intermediate tube (13), two in air vent (9) the common fixedly connected with of intermediate tube (13) lower extreme No. two baffles (8), No. two baffle (8) below left part is provided with outlet duct (14), and outlet duct (14) left end and blast pipe (6) fixed connection, No. one baffle (20) and No. two baffles (8) all around all with silencer (1) inner wall sealing connection.
3. The muffler device for an excavator according to claim 2, wherein: all fixed mounting has spring (11) between well pipe (13) and silencer (1), a plurality of mesh (19) are all fixed mounting in intake pipe (12), outlet duct (14) and well pipe (13).
4. The muffler device for an excavator according to claim 1, wherein: second grade silencing device (7) are including curved body (71), end fixed mounting has a baffle (73) and No. two baffles (77) about curved body (71) respectively, opening (74) have been seted up on baffle (73), fixedly connected with annular breather pipe (72) in opening (74), a plurality of exhaust holes (78) have been seted up on No. two baffles (77).
5. The muffler device for an excavator according to claim 4, wherein: the outer fixed surface of the right part of the bent pipe body (71) is provided with a silencing sponge (75), and the outer fixed surface of the silencing sponge (75) is provided with a sleeve (76).
6. The muffler device for an excavator according to claim 1, wherein: the silencer (1) comprises a supporting layer (16), a silencing layer (17) is fixedly mounted on the outer portion of the supporting layer (16), a shell (18) is fixedly mounted on the outer portion of the silencing layer (17), and a plurality of silencing holes (5) which are uniformly distributed are formed in the shell (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036714.9U CN210738646U (en) | 2019-11-22 | 2019-11-22 | Muffler device of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922036714.9U CN210738646U (en) | 2019-11-22 | 2019-11-22 | Muffler device of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210738646U true CN210738646U (en) | 2020-06-12 |
Family
ID=71009449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922036714.9U Active CN210738646U (en) | 2019-11-22 | 2019-11-22 | Muffler device of excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210738646U (en) |
-
2019
- 2019-11-22 CN CN201922036714.9U patent/CN210738646U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A noise elimination device for excavator Effective date of registration: 20220228 Granted publication date: 20200612 Pledgee: Jining Rural Commercial Bank Co.,Ltd. high tech Zone sub branch Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2022980001959 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230111 Granted publication date: 20200612 Pledgee: Jining Rural Commercial Bank Co.,Ltd. high tech Zone sub branch Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2022980001959 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A muffler for excavator Effective date of registration: 20230116 Granted publication date: 20200612 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2023980031420 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200612 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2023980031420 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A noise reduction device for excavators Granted publication date: 20200612 Pledgee: Jining Rural Commercial Bank Co.,Ltd. Pledgor: JINING MAXPOWER MACHINERY Co.,Ltd. Registration number: Y2024980002026 |