CN210622891U - Chimney silencing mechanism of agricultural tractor - Google Patents

Abstract

The utility model relates to an agricultural machinery technical field, in particular to agricultural tractor chimney amortization mechanism, the utility model discloses a design has the porous amortization cotton of inner wall and microperforated panel and outer wall amortization rubber in the amortization mechanism can make the sound energy rub in the hole of the porous amortization cotton of inner wall and microperforated panel and convert into the heat energy consumption and dissipate, thereby makes the sound wave through the silencer weaken effectively prevent that agricultural tractor during operation noise generation from causing the influence to driver's hearing, the utility model discloses except above beneficial effect, filter screen and carbon black granule in filtering mechanism and the tail gas treatment mechanism through setting effectively filter the diesel engine and can produce a large amount of black harmful gas from the chimney at the during operation and effectively prevent harmful gas from getting into the polluted environment in the air.

Description

Chimney silencing mechanism of agricultural tractor

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to agricultural tractor chimney noise reduction mechanism.

Background

The tractor is used for towing and driving the operation machine to complete various mobile operations. It can also be used as fixed operation power, and is formed from engine, transmission, power output, electric instrument and meter, driving control and traction system or equipment. The power of an engine is transmitted to a driving wheel by a transmission system, so that a tractor runs, and in real life, a rubber belt is commonly used as a power transmission medium and is divided into tractors with agricultural, industrial and special purposes according to functions and purposes;

however, when the agricultural tractor works, noise is often generated at the chimney, which affects the hearing of a driver and is damaged by the noise for a long time, if hearing test is not performed, the driver often feels unconscious until hearing loss is too late to communicate with people, and the diesel engine generates a large amount of black harmful gas from the chimney to cause environmental pollution when working.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an agricultural tractor chimney amortization mechanism to solve the agricultural tractor work that proposes in the above-mentioned background art often can produce the noise in chimney department, this will cause the influence to driver's hearing, long-time noise injury receives, if do not do the hearing inspection but often unconscious, it is late when just for when being time when hearing loss is to unable and people communicate, and the diesel engine can follow the pollution problem that a large amount of black harmful gas has caused the environment in the chimney at the during operation moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a chimney silencing mechanism of an agricultural tractor comprises a tail gas inlet pipe, a chimney shell, an exhaust pipe, a silencing mechanism, inner wall porous silencing cotton, a micro-perforated plate, outer wall silencing rubber, a front silencing pipe, a rear silencing pipe, a connecting boss, a bolt, a filtering mechanism, a filtering pipe, a filtering net, a net unloading groove, a filtering net pull plate, a connecting ring, a tail gas treatment mechanism, carbon black particles, a carbon black placing disc, a disc changing groove and a movable valve, wherein the tail gas inlet pipe is welded with the chimney shell and is positioned on the lower surface of the chimney shell, the exhaust pipe is welded with the chimney shell and is positioned on the upper surface of the chimney shell, the silencing mechanism is fixedly connected with the chimney shell and is positioned at the bottom of the chimney shell, the inner wall porous silencing cotton is fixedly connected with the chimney shell and is positioned inside the chimney shell, the micro-perforated plate is connected with the chimney shell in a welding mode and is positioned inside the chimney shell;

the outer wall silencing rubber is in bonding connection with the chimney shell and is positioned on the outer surface of the chimney shell, the front silencing pipe is fixedly connected with the tail gas inlet pipe and is positioned on the inner surface of the tail gas inlet pipe, the rear silencing pipe is fixedly connected with the exhaust pipe and is positioned on the inner surface of the exhaust pipe, the filtering mechanism is in welding connection with the chimney shell and is positioned on the upper part of the chimney shell, the filter screen is fixedly connected with the filter pipe and is positioned on the inner surface of the filter pipe, the connecting ring is connected with the filtering mechanism and the tail gas treatment mechanism, the carbon black particles are placed inside the carbon black placing disc, the disc changing groove is fixedly connected with the carbon black placing disc and is positioned on the outer surface of the carbon black placing disc, the movable valve is arranged on the outer surface of the disc changing groove.

Preferably, the silencing mechanism comprises the inner wall porous silencing cotton, the micro-perforated plate, the outer wall silencing rubber, the front silencing pipe and the rear silencing pipe.

Preferably, the filter screen arm-tie with filter screen fixed connection just the filter screen arm-tie is located the surface of filter screen.

Preferably, the bolts are fixedly connected with the connecting boss, and the annular array of the bolts is arranged on the outer surface of the connecting boss.

Preferably, the filtering mechanism comprises the filter screen, the screen unloading groove and the filter screen pulling plate.

Preferably, the net unloading groove is fixedly connected with the filter pipe and is positioned on the outer surface of the filter pipe.

Preferably, the tail gas treatment mechanism comprises the carbon black particles, the carbon black placing disc, the disc changing groove and the movable valve.

The utility model discloses a technological effect and advantage:

1. the utility model is designed with the inner wall porous silencing cotton and the micro-perforated plate in the silencing mechanism and the outer wall silencing rubber, so that sound energy can be rubbed in the pores of the inner wall porous silencing cotton and the micro-perforated plate and converted into heat energy to be dissipated, and the sound wave passing through the silencer is weakened, thereby effectively preventing the noise generated when the agricultural tractor works from influencing the hearing of a driver;

2. the utility model discloses except above beneficial effect, filter screen and carbon black granule in the filtering mechanism and the tail gas treatment mechanism through setting up effectively filter the diesel engine and can follow the chimney at the during operation and produce a large amount of black harmful gas and prevent effectively that harmful gas from getting into the polluted environment in the air.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a front view of the structure of the present invention.

Fig. 3 is a left side view of the structure of the present invention.

Fig. 4 is a top view of the structure of the present invention.

In the figure: 1. a tail gas inlet pipe; 2. a chimney housing; 3. an exhaust pipe; 4. a silencing mechanism; 5. porous silencing cotton on the inner wall; 6. a micro-perforated plate; 7. the outer wall is made of sound-deadening rubber; 8. a front muffler pipe; 9. a rear muffler pipe; 10. connecting the bosses; 11. a bolt; 12. a filtering mechanism; 13. a filter tube; 14. a filter screen; 15. a screen unloading groove; 16. a filter screen pulling plate; 17. a connecting ring; 18. a tail gas treatment mechanism; 19. carbon black particles; 20. placing a carbon black tray; 21. a disc changing groove; 22. a movable valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an agricultural tractor chimney silencing mechanism as shown in figures 1-4, as shown in figure 1, a tail gas inlet pipe 1 is welded with a chimney shell 2 and is positioned on the lower surface of the chimney shell 2, an exhaust pipe 3 is welded with the chimney shell 2 and is positioned on the upper surface of the chimney shell 2, the silencing mechanism 4 is fixedly connected with the chimney shell 2 and the silencing mechanism 4 is positioned at the bottom of the chimney shell 2, an inner wall porous silencing cotton 5 is fixedly connected with the chimney shell 2 and the inner wall porous silencing cotton 5 is positioned inside the chimney shell 2, a microperforated plate 6 is welded with the chimney shell 2 and the microperforated plate 6 is positioned inside the chimney shell 2, as shown in figure 2, an outer wall silencing rubber 7 is adhesively connected with the chimney shell 2 and an outer wall silencing rubber 7 is positioned on the outer surface of the chimney shell 2, a front silencing pipe 8 is fixedly connected with the tail gas inlet pipe 1 and the front silencing pipe 8 is positioned on the inner surface, the rear silencing pipe 9 is fixedly connected with the exhaust pipe 3, the rear silencing pipe 9 is positioned on the inner surface of the exhaust pipe 3, the filtering mechanism 12 is welded with the chimney shell 2, the filtering mechanism 12 is positioned on the upper part of the chimney shell 2, sound energy can be rubbed in the pores of the inner wall porous silencing cotton 5 and the micro-perforated plate 6 to be converted into heat energy to be dissipated by designing the inner wall porous silencing cotton 5, the micro-perforated plate 6 and the outer wall silencing rubber 7 in the silencing mechanism 4, and the sound wave passing through the silencer is weakened, so that the influence of noise generated when the agricultural tractor works on the hearing of a driver is effectively prevented;

referring to fig. 1 and 2, a filter screen 14 is fixedly connected with a filter pipe 13, the filter screen 14 is located on the inner surface of the filter pipe 13, a connecting ring 17 connects a filter mechanism 12 and a tail gas treatment mechanism 18, carbon black particles 19 are placed inside a carbon black placing tray 20, a tray changing groove 21 is fixedly connected with the carbon black placing tray 20, the tray changing groove 21 is located on the outer surface of the carbon black placing tray 20, a movable valve 22 is arranged on the outer surface of the tray changing groove 21, referring to fig. 2 and 3, the silencing mechanism 4 comprises inner wall porous silencing cotton 5, a microperforated panel 6, outer wall silencing rubber 7, a front silencing pipe 8 and a rear silencing pipe 9, a filter screen pulling plate 16 is fixedly connected with the filter screen 14, the filter screen pulling plate 16 is located on the outer surface of the filter screen 14, a bolt 11 is fixedly connected with a connecting boss 10, an annular array of the bolt 11 is arranged on the outer surface of the connecting boss 10, the filter mechanism 12 comprises the filter, unload net groove 15 and filter tube 13 fixed connection and unload net groove 15 and be located the surface of filter tube 13, tail gas processing mechanism 18 includes carbon black granule 19, carbon black placing plate 20, trades a set of groove 21 and movable valve 22, effectively filters the diesel engine through filter screen 14 and the carbon black granule 19 in filter mechanism 12 and the tail gas processing mechanism 18 that set up and can produce a large amount of black harmful gas from the chimney effectively and prevent harmful gas from getting into the polluted environment in the air during operation.

This practical theory of operation: when the utility model is used, the utility model is firstly connected into the exhaust pipe 3 of the agricultural tractor, firstly, the sound is absorbed through the inner wall porous silencing cotton 5 and the micro-perforated plate 6 of the silencing mechanism 4, the sound absorption principle is that the noise is reduced through the porous sound absorption in the inner wall porous silencing cotton 5 and the micro-perforated plate 6, the inner wall porous silencing cotton 5 and the micro-perforated plate 6 are fixed on the inner wall of the chimney shell 2 or are arranged in the pipeline according to a certain mode to form the silencing mechanism 4, when the sound wave enters the silencing mechanism 4, a part of sound energy is rubbed in the pores of the porous material to be converted into heat energy which is dissipated, so that the sound wave is weakened through the silencing mechanism 4;

after carrying out the amortization, impurity and particle in the tail gas are filtered to filter 14 and filter tube 13 fixed connection and filter 14 position in the internal surface of filter tube 13 through the filter mechanism 12 that sets up and filter, after long-time filtration, unload the screen trap 15 through the design and change filter 14, through carbon black granule 19 in the tail gas treatment mechanism 18 that sets up, carbon black granule 19 is placed in the inside that the dish 20 was placed to the carbon black, carry out carbon black absorption to harmful gas when placing dish 20 through the carbon black that places carbon black granule 19 to harmful gas, discharge tail gas at last again and realize the purpose of environmental protection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides an agricultural tractor chimney amortization mechanism, including tail gas intake pipe (1), chimney casing (2), blast pipe (3), amortization mechanism (4), the porous amortization cotton of inner wall (5), microperforated panel (6), outer wall amortization rubber (7), preceding amortization pipe (8), back amortization pipe (9), connect boss (10), bolt (11), filtering mechanism (12), filter tube (13), filter screen (14), unload net groove (15), filter screen arm-tie (16), go-between (17), tail gas processing mechanism (18), carbon black granule (19), set (20) are placed to carbon black, trade set groove (21), movable valve (22), its characterized in that: the tail gas inlet pipe (1) is connected with the chimney shell (2) in a welded mode and located on the lower surface of the chimney shell (2), the exhaust pipe (3) is connected with the chimney shell (2) in a welded mode and located on the upper surface of the chimney shell (2), the silencing mechanism (4) is fixedly connected with the chimney shell (2) and located at the bottom of the chimney shell (2), the inner wall porous silencing cotton (5) is fixedly connected with the chimney shell (2) and located inside the chimney shell (2), the microperforated panel (6) is connected with the chimney shell (2) in a welded mode and located inside the chimney shell (2);

the outer wall silencing rubber (7) is connected with the chimney shell (2) in a bonding mode, the outer wall silencing rubber (7) is located on the outer surface of the chimney shell (2), the front silencing pipe (8) is fixedly connected with the tail gas inlet pipe (1), the front silencing pipe (8) is located on the inner surface of the tail gas inlet pipe (1), the rear silencing pipe (9) is fixedly connected with the exhaust pipe (3), the rear silencing pipe (9) is located on the inner surface of the exhaust pipe (3), the filtering mechanism (12) is connected with the chimney shell (2) in a welding mode, the filtering mechanism (12) is located on the upper portion of the chimney shell (2), the filtering net (14) is fixedly connected with the filtering pipe (13), the filtering net (14) is located on the inner surface of the filtering pipe (13), and the connecting ring (17) is connected with the filtering mechanism (12) and the tail gas treatment mechanism (18), the carbon black particles (19) are placed in the carbon black placing disc (20), the disc changing groove (21) is fixedly connected with the carbon black placing disc (20), the disc changing groove (21) is located on the outer surface of the carbon black placing disc (20), and the movable valve (22) is arranged on the outer surface of the disc changing groove (21).

2. An agricultural tractor chimney silencing mechanism according to claim 1, characterized in that: the silencing mechanism (4) comprises the inner wall porous silencing cotton (5), the micro-perforated plate (6), the outer wall silencing rubber (7), the front silencing pipe (8) and the rear silencing pipe (9).

3. An agricultural tractor chimney silencing mechanism according to claim 1, characterized in that: filter screen arm-tie (16) with filter screen (14) fixed connection just filter screen arm-tie (16) are located the surface of filter screen (14).

4. An agricultural tractor chimney silencing mechanism according to claim 1, characterized in that: the bolts (11) are fixedly connected with the connecting boss (10) and the bolts (11) are arranged on the outer surface of the connecting boss (10) in an annular array.

5. An agricultural tractor chimney silencing mechanism according to claim 1, characterized in that: the filtering mechanism (12) comprises the filtering net (14), the net unloading groove (15) and the filtering net pulling plate (16).

6. An agricultural tractor chimney silencing mechanism according to claim 1, characterized in that: the net unloading groove (15) is fixedly connected with the filtering pipe (13), and the net unloading groove (15) is positioned on the outer surface of the filtering pipe (13).

7. An agricultural tractor chimney silencing mechanism according to claim 1, characterized in that: the tail gas treatment mechanism (18) comprises the carbon black particles (19), the carbon black placing disc (20), the disc changing groove (21) and the movable valve (22).

Images