CN216974976U - A noise eliminator for excavator processing - Google Patents

Abstract

The utility model relates to the technical field of excavators, in particular to a noise elimination device for machining of an excavator. The technical scheme comprises the following steps: barrel, filter chamber, fall the room and the damping room of making an uproar, the inside fixed mounting of filter chamber has the filter screen, the bottom fixed mounting of barrel has the bottom, the interior fixed surface who falls the room of making an uproar is connected with inhales the sound cotton, it is provided with the spoiler to fall indoor roof and interior diapire crisscross, the inside of damping room is provided with damping assembly. According to the utility model, through the arrangement of the filter chamber and the filter screen, smoke dust in tail gas can be filtered, the pollution of the tail gas to the environment is reduced, through the arrangement of the noise reduction chamber, the sound absorption cotton and the turbulence block, sound waves in air flow can be disturbed, the noise reduction effect is achieved, and through the arrangement of the damping chamber and the damping assembly, the noise generated when the tail gas flows is reduced, so that the noise reduction effect is improved, and the use requirement is met.

Description

A noise eliminator for excavator processing

Technical Field

The utility model relates to the technical field of excavators, in particular to a noise elimination device for machining of an excavator.

Background

Along with the development of urban construction is faster and faster, large-scale machinery on a construction site plays an important role, generally, an excavator can generate large noise in the excavating process to influence the environment, and serious noise pollution is caused to construction site people, so that a silencer is usually installed at a tail gas pipe of an engine to reduce the noise as much as possible.

Most of existing silencers for excavators are simple in structure, poor in silencing effect, incapable of treating smoke dust in tail gas and difficult to meet use requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a muffler device for excavator machining, aiming at the problems in the background art.

The technical scheme of the utility model is as follows: the utility model provides a noise eliminator for excavator processing, includes the barrel, the inside fixed mounting of barrel has two division boards, two the division board is with the inside of barrel from supreme being cut apart into the filter chamber in proper order down, fall the room of making an uproar and damping room, one side of filter chamber is provided with the air inlet, the exhaust hole has been seted up on the division board, the top of damping room is provided with the outlet duct, the inside fixed mounting of filter chamber has the filter screen, the bottom fixed mounting of barrel has the bottom, the internal surface fixed connection who falls the room of making an uproar inhales the sound cotton, it is provided with the spoiler piece with interior diapire crisscross in the room to fall, the inside in damping room is provided with the damping subassembly.

Through the air inlet, the setting of filter chamber and filter screen, tail gas gets into in the filter chamber from the air inlet, the filter screen can carry out filtration treatment to the smoke and dust in the tail gas, reduce the pollution that tail gas caused the environment, setting through the bottom, be convenient for open the clearance with the barrel, through making an uproar room, inhale the setting of sound cotton and spoiler piece, tail gas after the filtration gets into from the exhaust hole and falls makes an uproar indoorly, it can absorb the noise to inhale the sound cotton, when the air current passes through the clearance between the spoiler piece, can scramble the sound wave in the air current, reach the effect of making an uproar, through the setting of damping room and damping component, can produce damping effect to tail gas, the noise that produces when reducing tail gas and flowing, thereby improve noise elimination effect, so that the user demand is satisfied.

Preferably, one end fixedly connected with of air inlet spreads the cover, through the setting that spreads the cover, can spread the air current that gets into the barrel, weakens the flow noise of air current.

Preferably, the bottom fixed mounting of bottom has first motor, the output fixedly connected with cleaning rod of first motor, the cleaning rod sets up in the bottom of filter screen, and through the setting of first motor and cleaning rod, the first motor that can start drives the cleaning rod and rotates, makes the cleaning rod clean the filter screen surface, reduces the smoke and dust of adhesion on the filter screen, improves the filtration efficiency of filter screen.

Preferably, the bottom cover is fixedly installed with the barrel through a fastening bolt, the bottom cover is convenient to disassemble and assemble through the fastening bolt, and the bottom cover is convenient to open for cleaning.

Preferably, the outer surface of the turbulence block is fixedly connected with irregular protrusions, and the sound waves can be irregularly reflected through the arrangement of the irregular protrusions, so that the sound waves are interfered with each other and offset, and the noise elimination effect is achieved.

Preferably, the damping subassembly is including installing the second motor at barrel top and installing the damping plate of second motor output, a plurality of through-holes have been seted up on the surface of damping plate, and through the setting of second motor and damping plate, the second motor that can start drives the damping plate and moves, makes the damping plate produce the air current and produces the damping effect with tail gas to reduce the impact and the noise of tail gas, through the setting of through-hole, can reduce the resistance when the damping plate moves, make the air current can pass the damping plate.

Compared with the prior art, the utility model has the following beneficial technical effects:

a noise eliminator for excavator processing passes through the air inlet, the setting of filter chamber and filter screen, tail gas gets into in the filter chamber from the air inlet, the filter screen can carry out filtration treatment to the smoke and dust in the tail gas, reduce the pollution that tail gas caused the environment, through the setting of bottom, be convenient for open the clearance with the barrel, through falling the chamber of making an uproar, inhale the setting of sound cotton and spoiler piece, tail gas after the filtration gets into from the exhaust hole and falls the chamber of making an uproar, it can absorb the noise to inhale the sound cotton, when the air current passes through the clearance between the spoiler piece, can scramble the sound wave in the air current, reach the effect of making an uproar, setting through damping room and damping subassembly, can produce damping effect to tail gas, the noise that produces when reducing tail gas and flowing, thereby noise elimination effect is improved, so that the user demand is satisfied.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a front view structural diagram of the present invention;

FIG. 3 is an internal structural view of the present invention;

fig. 4 is an enlarged view of the structure of fig. 3 a according to the present invention.

Reference numerals: 1. a barrel; 2. a partition plate; 3. a filtering chamber; 4. a noise reduction chamber; 5. a damping chamber; 6. an air inlet; 7. an exhaust hole; 8. an air outlet pipe; 9. filtering with a screen; 10. a bottom cover; 11. sound-absorbing cotton; 12. a flow disturbing block; 13. a damping assembly; 1301. a second motor; 1302. a damping plate; 1303. a through hole; 14. a diffusion cover; 15. a first motor; 16. a cleaning rod; 17. fastening a bolt; 18. and (4) irregular bulges are formed.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, 2, 3 and 4, the muffler device for excavator processing provided by the utility model comprises a cylinder 1, two partition plates 2 are fixedly installed inside the cylinder 1, the inside of the cylinder 1 is sequentially divided into a filtering chamber 3, a noise reduction chamber 4 and a damping chamber 5 from bottom to top by the two partition plates 2, one side of the filtering chamber 3 is provided with an air inlet 6, the partition plates 2 are provided with exhaust holes 7, the top of the damping chamber 5 is provided with an air outlet pipe 8, the inside of the filtering chamber 3 is fixedly provided with a filter screen 9, the bottom of the cylinder 1 is fixedly provided with a bottom cover 10, the inner surface of the noise reduction chamber 4 is fixedly connected with sound absorption cotton 11, the top wall and the inner bottom wall of the noise reduction chamber 4 are provided with turbulence blocks 12 in a staggered manner, the inside of the damping chamber 5 is provided with a damping assembly 13, one end of the air inlet 6 is fixedly connected with a diffusion cover 14, and the bottom of the bottom cover 10 is fixedly provided with a first motor 15, the output end of the first motor 15 is fixedly connected with a cleaning rod 16, the cleaning rod 16 is arranged at the bottom of the filter screen 9, the outer surface of the spoiler 12 is fixedly connected with an irregular bulge 18, the damping assembly 13 comprises a second motor 1301 arranged at the top of the cylinder body 1 and a damping plate 1302 arranged at the output end of the second motor 1301, and the surface of the damping plate 1302 is provided with a plurality of through holes 1303.

The working principle of the muffler device for excavator machining based on embodiment 1 is as follows: through the arrangement of the air inlet 6, the filter chamber 3 and the filter screen 9, tail gas enters the filter chamber 3 from the air inlet 6, the filter screen 9 can filter smoke dust in the tail gas, the pollution of the tail gas to the environment is reduced, the barrel 1 is convenient to open and clean through the arrangement of the bottom cover 10, the noise reduction chamber 4, the sound absorption cotton 11 and the turbulence blocks 12 are arranged, the filtered tail gas enters the noise reduction chamber 4 from the exhaust hole 7, the sound absorption cotton 11 can absorb noise, when the airflow passes through gaps among the turbulence blocks 12, sound waves in the airflow can be disturbed, the noise reduction effect is achieved, through the arrangement of the damping chamber 5 and the damping assembly 13, the damping effect can be generated on the tail gas, the noise reduction effect is improved, so that the use requirement is met, through the arrangement of the diffusion cover 14, the airflow entering the barrel 1 can be diffused, the flowing noise of the air flow is weakened, through the arrangement of the first motor 15 and the cleaning rod 16, the first motor 15 can be started to drive the cleaning rod 16 to rotate, the cleaning rod 16 is enabled to clean the surface of the filter screen 9, smoke dust adhered to the filter screen 9 is reduced, the filtering efficiency of the filter screen 9 is improved, through the arrangement of the irregular protrusions 18, irregular reflection can be carried out on sound waves, the sound waves are enabled to generate mutual interference and to be offset, the silencing effect is achieved, through the arrangement of the second motor 1301 and the damping plate 1302, the second motor 1301 can be started to drive the damping plate 1302 to fan, the damping plate 1302 is enabled to generate the air flow and generate the damping effect with the tail gas, the impact and the noise of the tail gas are reduced, through the arrangement of the through holes 1303, the resistance when the damping plate 1302 fans is enabled to be reduced, and the air flow can pass through the damping plate 1302.

Example two

As shown in fig. 2, compared with the first embodiment, the muffler device for excavator machining according to the present invention further includes: the bottom cover 10 is fixedly mounted with the cylinder 1 through a fastening bolt 17.

In this embodiment, through fastening bolt 17's setting, be convenient for carry out the dismouting to bottom 10, conveniently open bottom 10 and clear up.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims (6)

1. The utility model provides a noise eliminator for excavator processing, includes barrel (1), its characterized in that: the inside fixed mounting of barrel (1) has two division boards (2), two division board (2) are with the inside of barrel (1) from supreme division down for filter chamber (3), fall noise chamber (4) and damping room (5) of making an uproar, one side of filter chamber (3) is provided with air inlet (6), exhaust hole (7) have been seted up on division board (2), the top of damping room (5) is provided with outlet duct (8), the inside fixed mounting of filter chamber (3) has filter screen (9), the bottom fixed mounting of barrel (1) has bottom (10), the internal surface fixed connection who falls noise chamber (4) has sound cotton (11) of inhaling, fall noise chamber (4) inner roof and inner diapire crisscross the turbulent flow piece (12) of being provided with, the inside of damping room (5) is provided with damping subassembly (13).

2. The muffler device for excavator machining according to claim 1, wherein: one end of the air inlet (6) is fixedly connected with a diffusion cover (14).

3. The muffler device for excavator machining according to claim 1, wherein: the bottom fixed mounting of bottom (10) has first motor (15), the output fixedly connected with cleaning rod (16) of first motor (15), cleaning rod (16) set up the bottom at filter screen (9).

4. The muffler device for excavator machining according to claim 1, wherein: the bottom cover (10) is fixedly installed with the barrel (1) through a fastening bolt (17).

5. The muffler device for excavator machining according to claim 1, wherein: the outer surface of the flow disturbing block (12) is fixedly connected with an irregular bulge (18).

6. The muffler device for excavator machining according to claim 1, wherein: the damping assembly (13) comprises a second motor (1301) arranged at the top of the cylinder body (1) and a damping plate (1302) arranged at the output end of the second motor (1301), and a plurality of through holes (1303) are formed in the surface of the damping plate (1302).

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